Category: Statistics Mcqs

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

Hamad Basic Statistics Mcqs 27/10/2020

0

A. 100%
B. 25%
C. 20%
D. None of these

For a probability density function (pdf), the probability of a single point is_____________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 26/10/2020

0

A. 1
B. 2
C. 0
D. Constant

If in a coin P(H) = 2P(T) then prob. of head is ______________?

Hamad Probability Mcqs 26/10/2020

0

A. 1/3
B. 2/3
C. 1/2
D. 0

The product of first ‘n’ natural numbers is _____________?

Hamad Probability Mcqs 25/10/2020

0

A. 1.2.3.4,………
B. 1.2.3……(n-2) (n-1) (n)
C. n. (n-1) (n-2)…………..3.2.1.0
D. None of these

If X N(55,49) then σ ?

Hamad Normal Distribution 22/10/2020

0

A. 7
B. 55
C. 104
D. 49

when a three die rolled the sample space consists of _____________?

Hamad Probability Mcqs 21/10/2020

0

A. 6 outcomes
B. 24 outcomes
C. 216 outcomes
D. Non of these

A measure of dispersion is always ________________?

Hamad Basic Statistics Mcqs 19/10/2020

0

A. Zero
B. Positive
C. Negative
D. Infinity

If we increase the sample size, it means that it:_________________?

Hamad Sampling Mcqs 19/10/2020

0

A. Increases the Standard error
B. Decreases the Standard error
C. Decreases the Standard error
D. Both (a) and (b)

Shape of normal curve can be related to_______________?

Hamad Normal Distribution 18/10/2020

0

A. Bell
B. Circle
C. L
D. Rectangle
E. J

Find the median of the following datA. 160, 180, 200, 280, 300, 320, 400?

Hamad Basic Statistics Mcqs 18/10/2020

0

A. 140
B. 300
C. 180
D. 280