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.Management Sciences
Category: Sampling Mcqs
A sample of 92 observations is taken from an infinite population. The sampling distribution of is approximately ?
0
A. Normal because is always approximately normally distributed
B. Normal because the sample size is small in comparison to the population size
C. Normal because of the central limit theorem
D. None of these alternatives is correct.
The process of selecting sample from the population is called_________________?
A. Sampling process
B. Sampling unit
C. Sampling
D. Size
The difference between statistics and parameter is called:______________?
A. Bias
B. Standard
C. Sampling error
D. both (a) and (b)
Major area of statistics today is concerned with drawing of conclusions from__________?
A. Samples
B. Primary
C. Two
D. Complete study
In w.o.r 2σx=_____________________?
A. 26/√n√N – n/N – 1
B. σ/√n√N – n/N – 1
C. 26/√n N – n/N – 1
D. 26/√n
Probability distribution of a statistics is called_________________?
A. Sampling
B. Parameter
C. Data
D. Sampling distribution
In sampling with replacement be t a sampling unit can selected________________?
A. Only once
B. More than once
C. Less than once
D. None
Sampling errors are reduced by:___________________?
A. Increasing the sample size
B. Decreasing the sample size
C. Increasing population s.d.
D. None of these
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