## Archive for the ‘JSO’ Category

# JSO SSC CGL Paper 3 : Part – 8

JSO SSC CGL Paper 3

**Q106. In a distribution, the first four moments from the origin are 1, 4, 10 and 46 respectively. Then the nature of the distribution is**

(a) symmetrical and mesokurtic

(b) negatively skewed and platykurtic

(c) negatively skewed and leptokurtic

(d) positively skewed and mesokurtic

**Q107. In a distribution, the coefficient of skewness is 0.5. if the sum of lower and upper quartiles is 120 and median is 40, then upper and lower quartiles are respectively.**

(a) 50, 70

(b) 60, 80

(c) 60, 60

(d) 100, 20

**Q108. The Bowley’s coefficient of skewness lies between**

(a) -1 and +1

(b) -3 and +3

(c) positive only

(d) negative only

**Q109. If the mean, mode and standard deviation of a frequency distribution are 41, 45 and 8 respectively, then its Pearson’s coefficient of skewness is**

(a)1/2

(b) -1/2

(c)1/4

(d) -1/4

**Q110. Find the coefficient of variation, if it is given that the mean is 120, mode is 123 and Karl Pearson’s coefficient of skewness is – 0.3.**

(a) 7.56%

(b) 8.33%

(c) 12.10%

(d) 6.54%

**Q111. In a perfectly symmetric dist. 50% of the observations are above 60 and 75% are below 75. The coefficient of skewness is therefore**

(a) 7.5

(b) 15

(c) 0

(d) Cannot be determined from the given data

**Q112. Karl Pearson’s coefficient of skewness of a dist. Is 0.32, its sd. Is 6.5 and mean is 29.6. What is the mode of the dist.?**

(a) 26.24

(b) 27.52

(c) 24.37

(d) 29.56

**Q113. For leptokurtic curves β _{2} and v_{2 }satisfies (β_{2} is measure of kurtosis and u_{2} is coefficient of kurtosis)**

(a) β_{2} > 3, v_{2} < 0

(b) β_{2 }= 3, v_{2} = 0

(c) β_{2} < 3, v_{2 }< 0

(d) β_{2} > 3, v_{2} > 0

**Q114. A symmetrical distribution is symmetric about the point h, then the mean is**

(a) Less than h

(b) More than h

(c) Equal to h

(d) None of these

**Q115. For any frequency distribution the measure of kurtosis **

(a) greater than one

(b) less than one

(c) equal to one

(d) greater than 3

**Q116. If the odd ordered central moment of a distribution is 0, then distribution is**

(a) Symmetric

(b) Mesokurtic

(c) Platykurtic

(d) Leptokurtic

**Q117. By kurtosis of a frequency distribution, we mean**

(a) the pattern of the spread of the total frequency over values of variables.

(b) the scatterness of the values of variable among themselves.

(c) the Peakedness of the corresponding frequency curve.

(d) the number of peaks of the corresponding frequency curve.

**Q118. A central moment based measure of kurtosis is appropriate for**

(a) bimodal distributions

(b) J – shaped distributions

(c) U – shaped distributions

(d) bell – shaped distributions

**Q119. If a test was generally very easy, except for a few students who had very low scores, then the distribution of scores would be**

(a) Positively skewed

(b) Negatively skewed

(c) Not skewed at all

(d) Normal

**Q120. The standard deviation of a distribution is 2. The distribution is leptokurtic fourth central moment is**

(a) more than 12

(b) less than 12

(c) more than 48

(d) less than 48

**SOLUTION BELOW:-**

Sr. No. |
Answers |

106. | A |

107. | D |

108. | B |

109. | B |

110. | B |

111. | C |

112. | B |

113. | D |

114. | C |

115. | A |

116. | A |

117. | C |

118. | D |

119 | A |

120. | C |

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# Statistical Investigator CGL TIER 2 Paper 3 : Part – 7

Statistical Investigator CGL TIER 2 Paper 3 : Part – 7

**Q91. The algebraic sum of deviations of a set of n values from their arithmetic mean is**

(a) x

(b) 0

(c) 1

(d) None of these

**Q92. The arithmetic mean of the numbers 1,2,3 ……….. n is**

**Q93. Relation between range and S.D. is**

(a) R = 3 S.D.

(b) R = 2 S.D.

(c) R = 6 S.D.

(d) R = 4 S.D.

**Q94. Sum of squares of the deviations is minimum when the deviations are taken from**

(a) Mean

(b) Median

(c) Mode

(d) None of these

**Q95. Standard error of the sample correlation coefficient r based an n paired values is**

**Q96. The value of correlation ratios varies from**

(a) -1 to 1

(b) -1 to 0

(c) 0 to 1

(d) 0 to ∞

**Q97. The range of multiple correlation coefficient R is**

(a) 0 to 1

(b) 0 to ∞

(c) -1 to 1

(d) -∞ to ∞

**Q98. Measures of association usually deals with**

(a) Attributes

(b) Quantitative factors

(c) Variables

(d) Numbers

**Q99. Estimation of parameters in all scientific investigations is of**

(a) Prime importance

(b) Secondary importance

(c) No use

(d) Deceptive nature

**Q100. Estimate and estimator are**

(a) Synonyms

(b) Different

(c) Related to population

(d) None of the above

**Q101. If the observations recorded on five sampled items 3,4,5,6,7 the sample variance is**

(a) 1

(b) 0

(c) 2

(d) 2.5

**Q102. If the sample values are 1,3,5,7,9 the standard error of sample mean is**

(a) S.E. = √2

(b) S.E. = 1/√2

(c) S.E. = 2.0

(d) S.E. = ½

**Q103. How many types of optimum allocations are in common uses**

(a) One

(b) Two

(c) Three

(d) Four

**Q104. In an ordered series the data are**

(a) In ascending order

(b) In descending order

(c) Either 1 or 2

(d) Neither 1 or 2

**Q105. Classification is applicable in case of**

(a) Quantitative characters

(b) Qualitative characters

(c) Both 1 and 2

(d) None of these

**SOLUTION BELOW:-**

Sr. No. |
Answers |

91. | B |

92. | C |

93. | C |

94. | A |

95. | C |

96. | C |

97. | A |

98. | A |

99. | B |

100. | B |

101. | D |

102. | A |

103. | C |

104. | B |

105. | C |

**For More Articles You Can Visit On Below Links :**

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# SSC CGL TIER 2 Statistical Investigator : Part – 6

SSC CGL TIER 2 **Statistical Investigator** : Part – 6

**Q76. ****The standard deviation of a series is 5.What should be the value of the fourth order central moment so that the distribution is mesokurtic?**

(a) Less than 1875

(b) More than 1875

(c) Equal to 625

(d) Equal to 1875

**Q77. ****A smoothed frequency polygon is called**

(a) Frequency Curve

(b) Ogive

(c) Histogram

(d) None of the above

**Q78. ****A relative frequency of a frequency distribution having more than one class**

(a) must be a positive proper fraction

(b) must be a non-negative proper fraction

(c) may be greater than unity

(d) may be negative

**Q79. ****In drawing the histogram of a given frequency distribution on each class interval are**

(a) erect rectangles with heights proportional to the frequency of the corresponding class interval

(b) erect rectangles whose height is proportional to the ratio of the frequency to the width of the class interval

(c) erect rectangles whose height is proportional to the ratio of the frequencies to the sum of the frequencies

(d) None of the above

**Q80. ****When both the upper and limits are included in the class intervals in case of a frequency distribution, the classes are called**

(a) interval classes

(b) Exclusive classes

(c) inclusive classes

(d) Wide classes

**Q81.**

**Relative frequency of a class is computed by**

(a) dividing the midpoint of the class by the sample size

(b) dividing the frequency of the class by the midpoint

(c) dividing the sample size by the frequency of the class

(d) dividing the frequency of the class by the sample size

**Q82. ****If the standard deviation of a distribution 15, the quartile deviation of the distrib is**

(a) 15

(b) 12.5

(c) 10

(d) 15.5

**Q83.****The sum of deviations of the Ist 10 natural numbers from 5-5 is**

(a) 11/2

(b) (10^{2 }– 1) / 12

(c) 0

(d) 10^{2} – 1

**Q84. ****If AM and coefficient of variation of y are 10 and 40 respectively what is the variance of (15-24) ?**

(a) 8

(b) 4

(c) 64

(d) None of the above

**Q85. ****The mean and SD of Y are p and q respectively , then SD of Y – P /q **** is**

(a) -1

(b) 1

(c) ab

(d) a/b

**Q86. ****If the SD of Y is 3, what is the variance of (5-2Y)?**

(a) 36

(b) 6

(c) 1

(d) 9

**Q87. ****The mean and SD for p, q and 2 are 3 and 1 respectively the value of pq would be**

(a) 5

(b) 6

(c) 12

(d) 3

**Q88. ****____ is useful in averaging ratios, rates and percentage.**

(a) A.M.

(b) G.M.

(c) H.M.

(d) None

**Q89.**** GM is useful in construction of index number**

(a) True

(b) False

(c) Both

(d) None

**Q90.**

**More laborious numerical calculations involves in G.M. than A.M.**

(a) True

(b) False

(c) Both

(d) None

**SOLUTION BELOW:-**

Sr. No. |
Answers |

76. | D |

77. | A |

78. | B |

79. | B |

80. | C |

81. | D |

82. | C |

83. | C |

84. | C |

85. | B |

86. | A |

87. | A |

88. | B |

89. | A |

90. | A |

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# Statistical Investigator SSC CGL TIER 2 Paper 3 : Part – 5

**Statistical Investigator** SSC CGL TIER 2 Paper 3 : Part – 5

**Q61**.** In given distribution **** **** The coefficient of variation is**

(a) 72%

(b) 68%

(c) 48%

(d) 15%

**Q62**. **The coefficient of variance of a data is 25% and the mean is 20. Then standard deviation of the data set is**

(a) 1.25

(b) 4.00

(c) 5.00

(d) 6.25

**Q63.** **The variance of the data 5,11,13,19,20 is 37.5, the variance 7,13,15,21,22 is equal to**

(a) 37.5

(b) 32.2

(c) 34.2

(d) 39.5

**Q64**.** The variance of the data under consideration is 7. If each of the data points is multiplied by 3, then the variance of the new data is**

(a) 7

(b) 10

(c) 21

(d) 63

**Q65**. **The relation btw coefficient of variation C.V. and coefficient of dispersion based on standard deviations is**

**Q66**.

**The mean of two samples of sizes 50 and 100 respectively are 54.1 and 50.3 and the standard deviations are 8 and 7. Then the mean and standard deviation of the sample of size 150 containing the two samples is**

(a) 52.57 and 8.56

(b) 51.57 and 7.56

(c) 54.57 and 8.96

(d) 53.57 and 8.76

**Q67**. **The type of error that will creep into the calculation of moments for continuous frequency distribution is**

(a) Grouping error

(b) Standard error

(c) Non- sampling error

(d) Non- grouping error

**Q68**. **If mean is 25 and standard deviation is 5 then C.V – coefficient of variation is**

(a) 25%

(b) 20%

(c) None of these

(d) 100%

**Q69**. **The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?**

(a) 60.4%

(b) 48.3%

(c) 35.7%

(d) 27.8%

**Q70**. **The mean of a distribution is 23, the median is 24, and the mode is 25.5. it is most likely that this distribution is **

(a) Positively skewed

(b) Symmetrical

(c) Asymptotic

(d) Negatively skewed

**Q71**. **If the standard deviation of a population is 9, the population variance is**

(a) 9

(b) 3

(c) 2

(d) 81

**Q72****. Given X _{1 }= 12, X_{2 }= 19, X_{3 }= 10, X_{4 }= 7, then ∑^{4}_{i = 1 }^{ }equals^{ }**

**?**

(a) 36

(b) 48

(c) 41

(d) 29

**Q73****. If a distribution is abnormally tall and peaked, then is can be said that the distribution is:**

(a) Leptokurtic

(b) Pyrokurtic

(c) Platykartic

(d) Mesokurtic

**Q74**.** Kurtosis of a set observations on temperature of Kolkata measured in degree Celsius is 3, 2. If the temperature are measured in degree Fahrenheit, the value of the kurtosis**

(a) Will be changed

(b) Remains unchanged

(c) Will increase

(d) Will decrease

**Q75**

**. The magnitude of correlation coefficient is the …….. of two regression coefficients.**

(a) HM

(b) Angle

(c) AM

(d) GM

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# Statistical Investigator. SSC CGL TIER 2 Paper 3, SSC CGL JSO

**Statistical Investigator** SSC CGL TIER 2 Paper 3 : Part – 4

**Q46**. **Which of the following diagrams would be appropriate for cumulative frequency of a discrete variable?**

(a) Step diagram

(b) Histogram

(c) Frequency curve

(d) Frequency polygon

**Q47.** **Indirect interview method for collecting primary data demands. **

(a) Creating influence of interviewee

(b) Frequently chasing the interviewee

(c) Friendly and to – the – point discussion

(d) Gossiping mood

**Q48**. **Which of the following diagrams would be appropriate corresponding to frequency table for a continuous variable?**

(a) Pie diagramme

(b) Histogram

(c) Step diagramme

(d) Ogive

**Q49**. **Pie chart is very much useful for**

(a) Assessing the contribution of different groups in a comparative way

(b) Ordering different groups

(c) Comparing different groups

(d) Measuring and evaluating different groups

**Q50**. **If ** ** m _{1} and m_{2} and **

**are average heights of two classes of 50 and 60 students, the overall average is a**

(a) Geometric mean of ** **m_{1} and m_{2}

(b) Median of m_{1} and m_{2}

(c) Simple mean of m_{1} and m_{2}

(d) Weighted mean of m_{1} and m_{2}

**Q51**.

**If the two ogives of n observations**

**x**

_{1},x_{2}**,x**

_{3}**, ……….,x**

_{n}**meet at the point (x , y), then consider the following statements :**

(a) x is the arithmetic mean of x_{1},x_{2} ,x_{3}, ……….,x_{n}

(b) x is the median of x_{1},x_{2} ,x_{3}, ……….,x_{n}

(c) y = n/2

(d) y = 1/2

**Q52**. **Suppose x has 10 values 1,2 ,…….10 with corresponding more than type cumulative frequencies F _{1}**

**, F**

_{2}**, ………. F**

_{10}**. Then the AM of this data set will be equal to**

**Q53. The number of seeds in 10 fruits of a variety are counted and the first 9 are found to be 10,9,6,11,8,9,12,10 and 7. If the number of seeds in the tenth fruit is x, then for the mean number of seeds to be at least 9,it is necessary and sufficient that**

(a) x ≥ 9

(b) x > 9

(c) x > 6

(d) x ≥ 8

**Q54. A computer supplier sells computers of some well – known brands. To improve his profits reasonably he must study the average sales of computers where th appropriate measure of average will be**

(a) Median

(b) Mode

(c) Geometric mean

(d) Arithmetic mean

**Q55. The function (x-3) ^{2 }+ (x+3)^{2} + (x-2)^{2} + (x+2)^{2} Will take its minimum value at x=**

(a) -3

(b) 0

(c) 2

(d) 3

**Q56. Which of the following is true for a symmetric distribution?**

ƍ_{3 = }Third Quartile

ƍ_{1}= First Quartile

ƍ_{2 = }Second Quartile or median

(a) (ƍ_{3 – }ƍ_{2}) = (ƍ_{2 – }ƍ_{1})

(b) (ƍ_{3 – }ƍ_{1}) = 2ƍ_{2}

(c) (ƍ_{3 – }ƍ_{2}) < (ƍ_{2 – }ƍ_{1})

(d) (ƍ_{3 – }ƍ_{2}) > (ƍ_{2 – }ƍ_{1})

**Q57. Harmonic mean is**

(a) The mean of the reciprocal of the observations

(b) The reciprocal of the mean of the observations

(c) The reciprocals of the arithmetic mean of the reciprocal of the observations

(d) None of the above

**Q58. If the median of a first set of observations is M _{1} and the median of a second set of observations is M_{2} , then the combined median M**

(a) Lies to the right of M_{2}

(b) Lies in between M_{1} and M_{2}

(c) Lies to the left of M_{1}

(d) None of the above

**Q59. Coefficient of variation is not applicable if**

i. S.D. is very large

ii. Mean is zero or negative

iii. The grouped distribution has open-end classes

iv. Extreme values are present in the data

**Which situations do you think to be justified?**

(a) i, ii and iv

(b) iii and iv

(c) ii and iii

(d) i and ii

**Q60. In a symmetric distribution the upper and the lower Quartile are not equidistant from**

(a) Harmonic mean

(b) Median

(c) Mode

(d) Arithmetic mean

Sr. No. |
Ans |

1 | A |

2 | C |

3 | B |

4 | A |

5 | D |

6 | D |

7 | D |

8 | D |

9 | B |

10 | B |

11 | A |

12 | C |

13 | B |

14 | C |

15 | A |

**For More Articles You Can Visit On Below Links :**

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# JSO SSC CGL TIER 2 Paper 3 : Part – 3

**JSO SSC CGL** TIER 2 Paper 3 : Part – 3

**Q31****. The mean of a variable x having 50 observations is 45. If a new variable is defined by u=x +45, the mean of the new variable is**

(a) 45

(b) 0

(c) 90

(d) 95

**Q32**. **White dividing each entry in a data by a non zero number, a the arithmetic mean of the new data .**

(a) Is multiplied by a

(b) Does not change

(c) Is divided by a

(d) Is diminished by a

**Q33**. **The sum of deviations taken from the actual arithmetic mean is**

(a) Zero

(b) Two

(c) Negative

(d) Infinite

**Q34**. **The mean age of 40 students is 16 years and the mean age of another group of 60 students is 20 years. The mean age of all the 100 students is (in years)**

(a) 16.8

(b) 18

(c) 18.4

(d) 18.8

**Q35**. **If mean = K (3 median – mode) for asymmetrical distribution, the value of K is**

(a) 1/2

(b) -1/2

(c) 1

(d) -1

**Q36**.

**The point of intersection of two ogives, if a frequency distribution with median is 30 and the total frequency is 100, is**

(a) (35, 50)

(b) (30, 50)

(c) (40, 50)

(d) (50, 30)

**Q37.** **Which is the correct relation for a moderately asymmetrical distribution?**

(a) A.M. < G.M. < H.M.

(b) A.M. > G.M. > H.M.

(c) G.M > A.M. > H.M.

(d) G.M < A.M. < H.M

**Q38.** **If ** ** – ****50) = 0 then the mean of the distribution is**

(a) 0

(b) 45

(c) 40

(d) 50

**Q39**. **In a distribution, the values of observations are 1,2……, 10 with frequencies 1,2,…..,10, then the mean of the distribution is**

(a) 7

(b) 5

(c) 6

(d) 4

**Q40.** **Mean of 25 observations was found to be 78.4. but later it was found that 96 was misread as 69. The correct mean is**

(a) 78.48

(b) 76.98

(c) 79.48

(d) 77.58

**Q41**.

**The most obvious measure to describe the characteristic of data is**

(a) Mean

(b) Mode

(c) Median

(d) Standard deviation

**Q42**. **The number 4 and 9 have frequencies x and (x-1) respectively. If their A.M. is 6, then x is equal to**

(a) 2

(b) 3

(c) 4

(d) 5

**Q43.** **A variable takes 11 values which are arranged in ascending order of magnitude. It was found that the 4 ^{th}, 6^{th} and 8^{th} observations are 8,6 and 4 respectively. The median of the distribution is **

(a) 4

(b) 6

(c) 8

(d) 10

**Q44**. **For the number 3,1,2,4,5,3,3, which one of the following is correct?**

(a) Mean = Mode = 3 and Median = 4

(b) Mean= Median = Mode = 3

(c) Mean = Median = 3 and Mode = 5

(d) Mean = 3, Median = 4, Mode = 5

**Q45**. **The mean grade of a section of 20 students is 66% and that of another section of 15 students is 70%. The combined mean grade is**

(a) 66.7%

(b) 67.7%

(c) 68.7%

(d) 69.7%

**SOLUTIONS:**

Sr. No. |
Ans |

1 | C |

2 | C |

3 | A |

4 | C |

5 | A |

6 | B |

7 | B |

8 | D |

9 | A |

10 | C |

11 | A |

12 | B |

13 | B |

14 | B |

15 | B |

**For More Articles You Can Visit On Below Links :**

SSC CGL 2018 & 2019 Online Preparation New Batch

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# Statistical Investigator SSC CGL TIER 2 Paper 3 : Part – 2

Statistical Investigator SSC CGL TIER 2 Paper 3 : Part – 2

**Q16.** **What is the purpose of a summary table?**

(a) This is the only way to present categorical data in numerical form.

(b) To see differences between or among categories.

(c) To sum the values of responses to a survey.

(d) To list data to create a bar or pie chart.

**Q17. A graphical representation of a frequency distribution is called a__________________ .**

(a) scatter diagram

(b) stem-and-leaf plot

(c) time-series plot

(d) histogram

**Q18. You have a summary table and a simple bar chart (like the ones at the beginning of the chapter) indicating where customers prefer to do their banking. How could you enhance the bar chart to provide both visual and actual information?**

(a) Use vertical lines on the bar chart to show the values more precisely.

(b) Add values to the bar chart like what is commonly done on a pie chart.

(c) Only the summary table can show the actual values for the data.

(d) The bar chart and summary table must be presented together in order to represent this data.

**Q19. It might be said that the stem-and-leaf display is really a quick and easy way of creating a rudimentary chart or diagram for numerical data. If so, which chart is used to describe categorical data does it most closely resemble?**

(a) The stem-and-leaf display most closely resembles a rudimentary bar chart.

(b) The stem-and-leaf display most closely resembles a rudimentary pie chart.

(c) The stem-and-leaf display most closely resembles a rudimentary Pareto chart.

(d) The stem-and-leaf display does not resemble any of the above charts or diagrams.

**Q20. The width of a class interval in a frequency distribution (or bar chart) will be approximately equal to the range of the data divided by the ______________ .**

(a) Average of the data set

(b) Number of class intervals

(c) Highest value in the data set

(d) Lowest value in the data set

**Q21.**

**Which of the above histograms represents the graph of city restaurant meal prices with an interval of $8?**

(a) Neither histogram

(b) Both histograms

(c) Only the histogram on the right

(d) Only the histogram on the left

**Q22.** **When constructing a frequency distribution, which of the following rules must be followed?**

(a) The width of each class is equal to the lowest value in the data set.

(b) The midpoint of each class must be an integer.

(c) The number of classes must be an even number.

(d) Adjacent classes cannot overlap.

**Q23. **

**The rule of thumb for creating a frequency distribution is to divide the data into 5-15 classes. While larger numbers of classes allow for larger data sets, how do you know exactly how many classes to use?**

(a) If in doubt about the number of classes, select 10 since it is the midpoint between 5 and 15 classes.

(b) Any number of classes between 5 and 15 is sufficient.

(c) Determine the width of the class interval, then calculate the number of classes.

(d) Select the number of classes that provides definition to the shape of the data.

**Q24. The following numbers represent exam scores in an accounting class:**

** 78, 93, 85, 81, 73, 96, 72, 86, 90, 85**

** If a stem-and-leaf diagram is developed from this data, how many stems will be used?**

(a) 10

(b) 4

(c) 3

(d) 5

**Q25.**

**In the above figure of wine imports into the United States, what three guidelines for developing good graphs have not been followed?**

(a) Distorted data, unnecessary adornment, no scales for either axis.

(b) Distorted data, X axis not labeled, no title.

(c) Distorted data, unnecessary adornments, vertical axis not properly labeled.

(d) Unnecessary adornment, vertical scale does not begin at zero, no title.

**Q26. Considering the various types of tables and charts introduced in this chapter, which table, chart, diagram or plot would you use to depict categorical data for two variables in a visual format?**

(a) scatter plot

(b) contingency table

(c) pie chart

(d) side-by-side bar chart

**Q27. The cumulative frequency for a particular class is equal to 35. The cumulative frequency for the next class will be _________________ .**

(a) 35 minus the next class frequency.

(b) equal to 65.

(c) 35 plus the next class frequency.

(d) less than 35.

**Q28. Which of the following would be most helpful in the construction of a pie chart?**

(a) Ogive

(b) Frequency distribution

(c) Relative frequencies

(d) Cumulative percentages

**Q29.**

**The table above shows the frequency and relative frequencies for 7 groups of restaurant meal prices. How was the value of 0.36 obtained for the relative frequency of meals costing $32 but less than $40?**

(a) The number of data points is 50, so divide 18 by 50.

(b) (18 x 2)/100 = 0.36.

(c) The midpoint of the class is $36, so divide 36 by 100.

(d) (18/100) x 2 = 0.36.

**Q30.**

**The highest bar in a histogram represents?**

(a) The class with the lowest relative frequency.

(b) The class with the highest cumulative frequency.

(c) The class with the lowest frequency.

(d) The class with the highest frequency.

**SOLUTIONS: **

Sr. No. |
Answers |

1. | B |

2. | D |

3. | B |

4. | A |

5. | B |

6. | B |

7. | D |

8. | D |

9. | C |

10. | C |

11. | D |

12. | C |

13. | C |

14. | A |

15. | D |

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# Statistical Investigator SSC CGL TIER 2 Paper 3 : Part – 1

**Statistical Investigator** SSC CGL TIER 2 Paper 3 : Part – 1

**Q1**. **The science of collecting, organizing, presenting, analyzing and interpreting data to assist in making more effective decisions is called:**

(a) Statistic

(b) Parameter

(c) Population

(d) Statistics

**Q2.** **Methods of organizing, summarizing, and presenting data in an informative way are called:**

(a) Descriptive statistics

(b) Inferential statistics

(c) Theoretical statistics

(d) Applied statistics

**Q3.** **The methods used to determine something about a population on the basis of a sample is called:**

(a) Inferential statistics

(b) Descriptive statistics

(c) Applied statistics

(d) Theoretical statistics

**Q4. When the characteristic being studied is non – numeric, it is called a:**

(a) Quantitative variable

(b) Qualitative variable

(c) Discrete variable

(d) Continuous variable

**Q5**.** When the variable studied can be reported numerically, the variable is called a:**

(a) Quantitative variable

(b) Qualitative variable

(c) Independent variable

(d) Dependent variable

**Q6.**

**A specific characteristic of a population is called:**

(a) Statistic

(b) Parameter

(c) Variable

(d) Sample

**Q7.** **A specific characteristic of a sample is called:**

(a) Variable

(b) Constant

(c) Parameter

(d) Statistic

**Q8.** **A set of all units of interest in a study is called:**

(a) Sample

(b) Population

(c) Parameter

(d) Statistic

**Q9.** **A part of the population selected for study is called a:**

(a) Variable

(b) Data

(c) Sample

(d) Parameter

**Q10**. **Listing of the data in order of numerical magnitude is called:**

(a) Raw data

(b) Arrayed data

(c) Discrete data

(d) Continuous data

**Q11**. **Listings of the data in the form in which these are collected are known as:**

(a) Secondary data

(b) Raw data

(c) Arrayed data

(d) Qualitative data

**Q12.** **Data that are collected by anybody for some specific purpose and use are called:**

(a) Qualitative data

(b) Primary data

(c) Secondary data

(d) Continuous data

**Q13.** **The data which have under gone any treatment previously is called:**

(a) Primary data

(b) Secondary data

(c) Symmetric data

(d) Skewed data

**Q14.** **The data obtained by conducting a survey is called:**

(a) Primary data

(b) Secondary data

(c) Continuous data

(d) Qualitative data

**Q15**. **A survey in which information is collected from each and every individual of the population is known as:**

(a) Sample survey

(b) Pilot survey

(c) Biased survey

(d) Census survey

**SOLUTIONS :**

Sr. No. |
Answers |

1. | D |

2. | A |

3. | A |

4. | B |

5. | A |

6. | B |

7. | D |

8. | B |

9. | C |

10. | B |

11. | B |

12. | B |

13. | B |

14. | A |

15. | D |

**For More Articles You Can Visit On Below Links :**

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