In the sampling without replacement a sampling unit can be selected_______________?
A. Only Once
B. More than once
C. Less than once
D. None of these
Statistics Mcqs
If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?
If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?
A. Only when the sample size is at least 100.
B. Only when the sample size is smaller than 30
C. Always
D. Only when the sample size is at least 30.
If (AB) >(A) (B)/n __________ then A and B are?
If (AB) >(A) (B)/n __________ then A and B are?
A. Independent
B. Associated
C. Dis-associated
D. None of these
(A β C) is a frequency of attributes of order_______________?
(A β C) is a frequency of attributes of order_______________?
A. 3
B. (2)
C. 1
D
If x and y are Independent to each other the coefficient of correlation is _____________?
If x and y are Independent to each other the coefficient of correlation is _____________?
A. -1
B. +1
C. .6
D. 0
Two attributes are associated if expected frequency is ____________________?
Two attributes are associated if expected frequency is ____________________?
A. Less than observed
B. Greater than observed
C. Equal to observed
D. None of these
In perfect association the value of coefficient of association is ______________?
In perfect association the value of coefficient of association is ______________?
A. (0)
B. +1
C. -1
D. non of these
Attributes are _______ if they have some relation?
Attributes are _______ if they have some relation?
A. Disassociation
B. In consistent
C. Associated
D. None of these
Richness is not a ________________?
Richness is not a ________________?
A. Constant
B. Discreade
C. Variable
D. Continuous
γxy is always equal to_____________?
γxy is always equal to_____________?
A. γyx
B. -γyx
C. γx
D. γo2