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21. Which one of the following is a database Management System?
MS Access
MS Excel
MS Office
None of the above
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22. Degree of correlation includes
Perfect correlation
absence of correlation
The limited degree of correlation
All of the above
23. The concept of Analysis of variance (ANOVA) was developed by
Karl Pearson
Prof. Fisher
Spearman
None of these
24. F-test is used to test the significance of the difference between
Co-efficient of correlation between two sample groups
Co-efficient of correlation among more than two sample groups
Average between two sample groups
Average of more than two sample groups
25. If the value of the coefficient of determination is 0.64, what is the value of the coefficient of correlation
0.40
0.80
0.08
0.04
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