Q: Which of the following is most important and most widely used method in point estimation?

(a) :  The method of moments
(b) :  The method of fractional moments
(c) :   The method of leas square
(d) :   The method of maximum likelihood
(e) :  NONE
Answer:   The method of maximum likelihood

Q: If p is very small and n is considerably large then we shall apply the:

(a) :  Binomial distribution
(b) :  Poisson distribution
(c) :  Hypergeometric distribution
(d) :   Exponential distribution
(e) :  NONE
Answer:  Poisson distribution

Q: Sum of all observation divided by number of observation is known as -------.”

(a) :  median
(b) :  mean
(c) :  mode
(d) :  varience
(e) :  NONE
Answer:  mean

Q: The median is a measure of

(a) :  relative dispersion
(b) :  absolute dispersion
(c) :  central location
(d) :   relative location
(e) :  NONE
Answer:  central location

Q: In statistics, a sample means

(a) :  A portion of the sample
(b) :  A portion of the population
(c) :  all the items under investigation
(d) :  none of the Above
(e) :  NONE
Answer:  A portion of the population

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