Statistics MCQs

Page No. 41

In probability sampling each sampling unit has some____________________?


aUnknown


bLarge


cSmall


dKnow


View Answer Know

There are ____________ probability sampling?


aFour


bSix


cThree


dSeven


View Answer Four

The smallest individuals which constitute the entire population are called __________________?


aSampling frame


bSampling units


cSample pop


d Sample design


View Answer Sampling units

In the sampling without replacement a sampling unit can be selected_______________?


aOnly Once


bMore than once


cLess than once


dNone of these


View Answer Only Once

If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?


aOnly when the sample size is at least 100.


bOnly when the sample size is smaller than 30


cAlways


dOnly when the sample size is at least 30.


View Answer Always

If (AB) >(A) (B)/n __________ then A and B are?


aIndependent


bAssociated


c Dis-associated


dNone of these


View Answer Associated

(A β C) is a frequency of attributes of order_______________?


a3


b2


c1


dnone


View Answer 3

If x and y are Independent to each other the coefficient of correlation is _____________?


a -1


b+1


c .6


d 0


View Answer 0

Two attributes are associated if expected frequency is ____________________?


aLess than observed


bGreater than observed


c Equal to observed


d None of these


View Answer Less than observed

In perfect association the value of coefficient of association is ______________?


a(0)


b+1


c -1


d non of these


View Answer +1

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