📈Statistics MCQs
Statistics MCQs
490 MCQs101
For a population consisting of 4 members, a sample of size ‘2’ is taken replacement, then the number of all the possible samples are?
A4
B8
C16
D32
102
If we increase the sample size, it means that it:_________________?
Aand (
BDecreases the Standard error
CDecreases the Standard error
DBoth (
103
Sampling errors are reduced by:___________________?
AIncreasing the sample size
BDecreasing the sample size
CIncreasing population s.
DD. None of these
104
A binomial random variable can assume values from _________ to n?
A6
B3
C2
D0
105
In binomial distribution the probability of success remains __________ from trial to trial?
AConstant
BVaries
CFour
DProbability
106
95% confidence limits for P are _________________?
AP±2.18√p2q2/n
BP±1.65(pq/n)
CP±1.96 p2q2/√n
DP±1.96√p2q2/n
107
The Estimation and testing of hypothesis are main branches of ________________?
ASampling
BProbability distribution
CRegression
DStatistical Inference
108
___________ is a value of sample statistics?
AEstimate
BEstimator
CProbability
DNumerical
109
Sampling Error decrease by _______ the sample size?
AIncrease
BDecrease
CSampling
DPopulation
110
Since E(X) _______X is said to be unbiased estimator of the population mean?
AQ
BX
CUx
Du