Category: Statistics Mcqs
Which of the following test use Rank Sums____________?
A. Kruskal-Wallis and Wilcoxon tests
B. Runs test
C. Chi-Square and sign test
D. F test
Standard deviation of the sampling distribution of a statistics is called_____________?
A. Serious error
B. Dispersion
C. Standard error
D. Difference
(q + p) has variance is ______________?
A. 6 pq
B. npq
C. 7 pq
D. 3 pq
Type II error is committed when the null hypothesis is _________________?
A. Rejected when it is true
B. Rejected when it is false
C. Accepted when it is true
D. Accepted when it is false
In constructing a histogram which is to be taken along X-axis__________?
A. Class interval
B. Class frequency
C. Class boundaries
D. Class mark
The value of interval x ± S include _______________?
A. 49.45%
B. 95.45%
C. 68.27%
D. 99.73%
The minimum variance unbiased estimator of the population mean is _______________?
A. 6/√n
B. S/√n
C. S2/n
D. 6x/√n
A parameter is a measure which is computed from___________?
A. Population data
B. Sample data
C. Test statistics
D. None of these
When the two regression lines coincide there r is __________________?
A. Zero
B. Less than zero
C. More than zero
D. Great
Which of the following divides a group of data into four subgroups?
A. Percentiles
B. Deciles
C. Median
D. Quartiles
E. Standard Deviation
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