Statistical Officer MCQs

If u = 5 and S.D. = 2.5 then Binomial distribution are ____?

A. Unequal
B. Wrong
C. Fair
D. None of these

In a binomial distribution mean and variance is __?

A. Variance > mean
B. Mean < variance
C. Variance ≠ mean
D. None of these

Which of the following is not a requirement for binomial distribution ?

A. Constant Probability of Success
B. Only two possible outcomes
C. A fixed number of trials
D. Equally likely outcomes

If ____ then the distribution is positively skewed?

A. p < q
B. q/p
C. p > q
D. p > 1/2

For a binomial distribution?

A. n must assume a number between 1 and 20 or 25
B. p must be a multiple of 10
C. There must be at least 3 possible outcomes
D. None of these

If a Binomial experiment is repeated ‘N’ times then binomial frequency distribution is _______?

A. N.{nx}px qn-x
B. N p q
C. N.{n/x}px qn-x
D. N.{n/x}p qn-x

If 5 dice are rolled 96 times then N. = ____?

A. 5
B. 96
C. 5/96
D. 96/5

The binomial distribution is positively skewed when _____?

A. p > q
B. p < q
C. p = q
D. both (a) and (b

If in binomial distribution p ≠ q, the distribution is ______?

A. Positively skewed
B. Negative skewed
C. May be positive skewed or negative skewed.
D. None of these

The sum of p and q is always _______?

A. 0
B. 2
C. 1
D. None of these