statistics MCQs – Page 55

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

statistics Mcqs

1. sample linear regression 2. normal distribution 3. presentation of data 4. statistical inference 5. measures of location 6. basic statistics 7. correlation and regression 8. sampling 9. binomial and hyper geometric probability 10. index number 11. hypothesis testing 12. measures of dispersion

1081. Dependence of difference on statistics is for_______________?
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A. Three reasons

B. Natural Sciences

C. Two reasons

D. Short run

1082. The mean of a constant b is_________________?
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A. b

B. Zero

C. None

1083. The grouped data is also called_____________?
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A. Secondary data

B. Primary data

C. Qualitative data

D. Raw data

1084. If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?
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A. 20%

B. None of these

C. 25%

D. 100%

1085. 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_____________?
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A. Symmetrical

B. Negatively Skewed

C. Positively Skewed

D. Asymptotic

1086. If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?
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A. 10

B. 12

C. 8

D. 6

1087. Variance remains unchanged by change of________________?
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A. Scale

B. None of these

C. Origin

D. Both

1088. Primary data and _____________ data are same?
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A. Ungrouped

B. Secondary data

C. None of these

D. Grouped

1089. _________ used the word statistics for the first time during one of his lectures at a German university?
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A. unavoidable

B. Fisher

C. Achenwall

D. Feet

1090. Geometric means of X1 and X2 is________________?
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A. X1????+X2????

B. X1+X2x

C. X1+X2????????

D. X1+X2

E. X1X2????????

1091. Results obtained by counting are_____________?
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A. Continuous

B. Discrete

C. Both (a) and (b)

D. None of these

1092. Which sampling technique is appropriate when there is homogeneity in population?
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A. Stratified sampling

B. Cluster sampling

C. Systematic sampling

D. Simple random sampling

1093. Data regarding opinions of consumers about some product obtained through lady workers are ____________?
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A. Primary

B. Secondary

C. Cheapest method

D. Existing Sources

1094. The average of first n natural numbers is_______________?
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A. All of the above

B. n2

C. n+12

D. None of these

1095. Lack of symmetry is called_______________?
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A. Relative Dispersion

B. Absolute Dispersion

C. Skewness

D. Non of these

1096. For Mesokurtic curve of the distribution, ?2 is__________________?
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A. 3

B. None of these

C. 3

D. Zero

1097. When the word random variable use in statistics it must have?
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A. Probability distribution

B. None of these

C. Variable

D. Values

1098. Which of the following describe the middle part of a group of numbers ?
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A. Measure of Central Tendency

B. Measure of Shape

C. Measure of Association

D. Measure of Variability

1099. Usually measurements give rise to ________ data?
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A. Discrete

B. Continuous

C. Specific

D. Constant

1100. If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?
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A. 0

B. 2.58

C. 4.66

D. 5

E. 2.33

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