For accepting or rejecting a null hypothesis, which one of the following is NOT used as a significance test method in statistics?
(A) $Z$ -test
(B) Student's t-test
(C) Pearson's correlation
(D) Relative standard deviation
For accepting or rejecting a null hypothesis, which one of the following is NOT used as a significance test method in statistics?
(A) $Z$ -test
(B) Student's t-test
(C) Pearson's correlation
(D) Relative standard deviation