statistics MCQs – Page 57

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 Review each marked answer and report any item that may be outdated or unclear.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

1121. The sum of squared deviations of a set of n values from their mean is__________________?
0

A. Zero

B. Least

C. Maximum

D. None

1122. Which of the following is not a measure of central tendency ?
0

A. Standard deviation

B. Mode

C. Quartile

D. Percentile

1123. The first hand and unorganized form of data is called_______________?
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A. Primary data

B. None of these

C. Secondary data

D. Organized data

1124. The degree of peakedness is called__________________?
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A. Symmetry

B. Dispersion

C. Skewness

D. Kurtosis

1125. Identify the attribute?
0

A. Temperature of room

B. Blood Pressure

C. Religions of people of a country

D. Blood group

1126. In inferential statistics, we study____________?
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A. the methods to make decisions about population based on sample results

B. how a sample is obtained from a population

C. how to make decisions about mean, median, or mode

D. None of the above

1127. If Y=?8X ? 5 and SD of X is 3, then SD of Y is _______________?
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A. 3

B. 24

C. 8

D. 5

E. None

1128. The Coefficient of Skewness is always zero for ____________ distribution?
0

A. Symmetrical

B. All of above

C. Skewed

D. None of these

1129. f1x12 + f2x22 + + fxx42=___________?
0

A. ?mi=1 ixi2

B. ?u1=1 ixi2

C. ?pi=1 ixi2

D. ?ni-1 ixi2

1130. When there is 0 in our dataset which mean we cannot calculate?
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A. GM

B. HM

C. AM

D. Both A and B

1131. Var(2X+3) is________________?
0

A. 4 Var(X)

B. 4 Var(X)+3

C. 5 Var(X)

D. 5 Var(X)+3

1132. The first moment about means is always_________________?
0

A. Negative

B. 1

C. None of these

D. Zero

1133. Arithmetic Mean is___________affected by extreme values?
0

A. None of these

B. Less

C. Not

D. Highly

1134. Quartile Coefficient of skewness lies between______________?
0

A. -1 and +1

B. 0 and 1

C. -1 and 0

D. None of these

1135. Use of Statistics in planning is ____________?
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A. Useless

B. Unavoidable

C. Samples

D. Various Methods

1136. If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?
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A. 10%

B. 110%

C. 5%

D. 90%

E. No Change

1137. Population census is conducted through_______________?
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A. Investigation

B. Sample survey

C. Accounting

D. Complete enumeration

1138. Which one is the not measure of dispersion?
0

A. Variance

B. Inter-Quartile Range

C. 50th Percentile

D. The Range

1139. In Statistics, a population consists of:_____________?
0

A. All People living in a country

B. All People living in the are under study

C. None of the above

D. All subjects or objects whose characteristics are being studied

1140. When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?
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A. A sample

B. A Parameter

C. A Population

D. Both b and c

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