📈Statistics MCQs
Statistics MCQs
490 MCQs41
The smallest individuals which constitute the entire population are called __________________?
ASampling frame
BSampling units
CSample pop
DSample design
42
In the sampling without replacement a sampling unit can be selected_______________?
AOnly Once
BMore than once
CLess than once
DNone of these
43
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.
44
If (AB) >(A) (B)/n __________ then A and B are?
AIndependent
BAssociated
CDis-associated
DNone of these
45
Correlation coefficient is _________ of origin and unit of measurement?
AOrigin
BDependence
CIndependence
DNone
46
Correlation is _____________ of regression coefficients?
AA.M.
BG.M.
CM.
DD. H.M.
47
If x = 3 then value of regression co-efficient of X or Y is ________________?
A(3)
B(0)
C-3
D-4
48
In correlation, both variables are______________?
ARandom
BFixed
CNon-random
DExperimental
49
If y = 2 + 6x then value of y intercept is _________________?
A6
B2
C0
DNone
50
A model is linear if it is linear in the dependent variable and also in ______________?
AParameter
BIndependent variable
CError term
DNon of these