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.Management Sciences
Category: Statistics Mcqs
The data collected by NADRA to issue National Identity cards are______________?
A. Official data
B. un-official data
C. Primary data
D. Secondary data
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
A frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?
A. Open-end
B. Distribution
C. Componemt
D. Unequal
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
The process of systematic arrangement of data into rows and columns is called _________?
A. Bar chart
B. Classification
C. Tabulation
D. None of these
The Runs test results in rejecting the null hypothesis of randomness when______________?
A. There is an unusually large number of runs
B. There is an unusually small number of runs
C. None of these
D. Either of the above
Mean deviation is equal to 4/5 of the _________ manipulation?
A. Quartile deviation
B. Range
C. Standard deviation
D. Variance
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