25 versus H1: µ 7 25. The population variance, o?, ', is Suppose you perform the hypothesis test Ho :u known. The sample size is n = 53. Assume the significance level is 0.01. Part 1: 1) Should you...

Extracted text: 25 versus H1: µ 7 25. The population variance, o?, ', is Suppose you perform the hypothesis test Ho :u known. The sample size is n = 53. Assume the significance level is 0.01. Part 1: 1) Should you use z or t to find the critical value? Ot Part 2 of 4 Part 2: 2) Choose the correct critical region. Reject Ho if z > Za Reject Ho if z < reject="" ho="" if="" z=""> za Reject Ho if z < reject="" ho="" if="" z=""> Reject Ho if z < za="" or="" z=""> Za O Reject Ho if z > zg Reject Ho if z < za="" or="" z=""> Za Reject Ho if z < za="" reject="" ho="" if="" z="">< za="" or="" z="" za="" reject="" ho="" if="" z="">< za="" o="" reject="" ho="" if="" z="">< -="" zg="" or="" z="" 2="">