In which one of the following situations is the application of t-test is most appropriate ?

A Testing the significance of coefficient of correlation between paired observations of small sized sample

B Testing the significance of coefficient of correlation between paired observations of large sized sample

C Comparing variances of two small sized samples

D Testing the significance of the difference among mean values of more than two samples groups

Answer & Explanation
Answer:Testing the significance of coefficient of correlation between paired observations of small sized sample

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