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.Management Sciences
Category: Sampling Mcqs
In statistics, a sample means__________?
A. A portion of the sample
B. A portion of the population
C. All the items under investigation
D. None of the above
The smallest individuals which constitute the entire population are called __________________?
A. Sampling frame
B. Sampling units
C. Sample pop
D. Sample design
Non-random sampling is also called___________________?
A. Biased sampling
B. Non-prob.sampling
C. Less than sampling
D. Representative sampling
Sampling error can reduced by __________________?
A. Non-random sampling
B. Increasing the population
C. Decreasing the sample size
D. Increasing the sample size
A sampling distribution is the probability distribution for which one of the following___________?
A. A sample
B. A sample statistic
C. A population
D. A population parameter
If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?
A. Population distribution is normal
B. μ1 = μx
C. Population distribution is uniform
D. σx = σx /√n
The sampling error is the_____________?
A. Same as the standard error of the mean
B. Difference between the value of the sample mean and the value of the population mean
C. Error caused by selecting a bad sample
D. Standard deviation multiplied by the sample size
Which of the following is impossible in sampling ?
A. Destructive tests
B. Heterogeneous data
C. To make voters lists
D. None of these
The standard deviation of sampling distribution of a statistics is _________________?
A. Standard error of statistics
B. Sampling error of statistics
C. Sampling distribution of statistics
D. None of these
In probability sampling each sampling unit has some____________________?
A. Unknown
B. Large
C. Small
D. Know
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