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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