Category: Statistics Mcqs

For a certain distribution if ∑(x−2)=18,∑(x−24)=0,∑(x−28)=−24) then arithmetic mean is_______________?

Hamad Basic Statistics Mcqs 24/12/2020

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A. 21
B. 24
C. 28
D. 0

A continuous random variable which can assume all possible values on scale in a given _______________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 24/12/2020

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A. Interval
B. Point
C. Time
D. Sample space

First moment about origin is always equal to _______________?

Hamad Measures Of Dispersion 22/12/2020

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A. A.M.
B. variance
C. Zero
D. None of these

A_______ is the specific value of the statistic used to estimate the population parameter?

Hamad Statistical Inference Mcqs 20/12/2020

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A. Point estimator
B. C.I.
C. Estimator
D. None of these

If bxy = byx = r then ________________?

Hamad Sample Linear Regression Mcqs 20/12/2020

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A. 6x < 6y
B. 6y < 6x
C. 6x = 6y
D. Non of These

If x = 3 then value of regression co-efficient of X or Y is ________________?

Hamad Sample Linear Regression Mcqs 20/12/2020

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A. (3)
B. (0)
C. -3
D. -4

Binomial distribution has _______ parameter?

Hamad Binomial And Hyper-geometric Probability Mcqs 20/12/2020

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A. 4
B. 3
C. 2
D. 6

Census reports used as a source of data is____________?

Hamad Basic Statistics Mcqs 19/12/2020

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A. Primary source
B. secondary source
C. Organized data
D. none

There are _________ important bases of classification of data?

Hamad Presentation Of Data 18/12/2020

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A. Two
B. Four
C. Six
D. Three

A∩B means:_______________?

Hamad Probability Mcqs 18/12/2020

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A. The elements of A or B
B. The elements of A and B
C. The elements A but not of B
D. None of these