Mathematics MCQs

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f1x12 + f2x22 + —————+ fxx42=________?

A.Σmi=1 ƒ ixi2

B.Σpi=1 ƒ ixi2

C.Σni-1 ƒ ixi2

D.Σu1=1 ƒ ixi2

Submitted by: Academy of Pakistan

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The picture cards having in total fifty two cards is equal________?

A.24

B.12

C.16

D.Non of these

Submitted by: Academy of Pakistan

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In Chain base method, the base period is ________?

A.None of these

B.Fixed

C.Constant

D.Change

Submitted by: Academy of Pakistan

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A cumulative frequency distribution is graphically represented by________?

A.frequency polygon

B.ogive

C.pie chart

D.frequency curve

Submitted by: Academy of Pakistan

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The minimum variance unbiased estimator of the population mean is ________?

A.6/√n

B.6x/√n

C.S2/n

D.S/√n

Submitted by: Academy of Pakistan

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The Laspeyres price index________?

A.Regards the current year quantities as fixed

B.non of these

C.Regards the base year price as fixed

D.Regards the base year quantities as fixed

Submitted by: Academy of Pakistan

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The sum of deviations of observations is zero, when deviations are taken from ________?

A.Mean

B.Mode

C.None of these

D.Median

Submitted by: Academy of Pakistan

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If Y=−8X − 5 and SD of X is 3, then SD of Y is ________?

A.None

B.8

C.5

D.3

E.24

Submitted by: Academy of Pakistan

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A simple aggregate price index________?

A.Ignores relative quantities

B.Compares relative quantities

C.Compares relative quantities to relative prices

D.Compares absolute prices to absolute quantities

Submitted by: Academy of Pakistan

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The Spearman Rank-Correlation test requires that the________?

A.Data must be measured on the same scale

B.Data must be distribution at least approximately as a t-distribution

C.Data must be from two independent samples

D.Data should be of ordinal scale at least

Submitted by: Academy of Pakistan

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which is poor measure of dispersion in open-end distribution ________?

A.Range

B.Quartile- deviation

C.None of these

D.Semi-inter quartile range

Submitted by: Academy of Pakistan

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Continuous variable can assume ________ value?

A.Specific

B.Accuracy

C.All possible

D.Constant

Submitted by: Academy of Pakistan

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A parameter is a measure which is computed from________?

A.Population data

B.None of these

C.Sample data

D.Test statistics

Submitted by: Academy of Pakistan

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The process of selecting sample from the population is called________?

A.Size

B.Sampling process

C.Sampling

D.Sampling unit

Submitted by: Academy of Pakistan

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If the smallest observation in a data is decreased, the average which is not affected is________?

A.Median

B.Mean

C.Harmonic mean

D.G.M.

Submitted by: Academy of Pakistan

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