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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