Study & Learn

Statistics MCQs with Explanations

Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.

54%

390 of 724MCQs reviewed

Study Mode — explanations are always visiblePrefer a timed quiz? Start test

391StatisticsMedium

If any of the value in data set is zero then it is not possible (i.e. impossiblE. to compute________?

AHarmonic Mean

BMean

CMedian

DGeometric Mean

EMode

Correct answer

A. Harmonic Mean

Explanation

The correct answer is Harmonic Mean.

392StatisticsMedium

Which of the following is an assumption underlying the use of the t-distribution?

AThe variance of the population is known

BAll above

Cs (sample standard deviation) is an unbiased estimate of the population variance.

DThe sample are drawn from a normally distributed population.

Correct answer

D. The sample are drawn from a normally distributed population.

Explanation

The correct answer is The sample are drawn from a normally distributed population..

393StatisticsMedium

When r is zero than both regression coefficients are________?

CInfinity

Correct answer

B. 0

Explanation

The correct answer is 0.

394StatisticsMedium

Marital status of an individual is the example of________?

AAttribute

BConstant

CContinuous variable

DDiscrete variable

Correct answer

A. Attribute

Explanation

The correct answer is Attribute.

395StatisticsMedium

Coded method of calculation is only used in ________?

AMedian

BNone of these

CCombined mean

DA.M.

Correct answer

D. A.M.

Explanation

The correct answer is A.M..

396StatisticsMedium

Data in the Population Census Report is________?

ASecondary data

BUngrouped data

CArrayed data

DGrouped data

EPrimary data

Correct answer

E. Primary data

Explanation

The correct answer is Primary data.

397StatisticsMedium

Age of a shopkeeper is the example of________?

AContinuous data

BVariable data

CQualitative

DQuantitative data

Correct answer

A. Continuous data

Explanation

The correct answer is Continuous data.

398StatisticsMedium

The probability of drawing an even number in a toss of a balanced die ________?

A6/6

B2/6

C1/6

D3/6

Correct answer

D. 3/6

Explanation

The correct answer is 3/6.

399StatisticsMedium

If the standard deviation of a population is 9, the population variance is________?

C81

D21

Correct answer

C. 81

Explanation

The correct answer is 81.

400StatisticsMedium

The data collected by NADRA to issue National Identity cards are________?

AOfficial data

BPrimary data

CSecondary data

Dun-official data

Correct answer

B. Primary data

Explanation

The correct answer is Primary data.

Which of the following is an assumption underlying the use of the t-distribution?

AThe variance of the population is known

BAll above

Cs (sample standard deviation) is an unbiased estimate of the population variance.

DThe sample are drawn from a normally distributed population.

Correct answer

D. The sample are drawn from a normally distributed population.

Explanation

The correct answer is The sample are drawn from a normally distributed population..