The claim is a mean is 62 and you want to prove it is less. Test the hypothesis within a 5% level of significance. Your sample of 129 had a mean of 60.14 and standard deviation of 24.18.

Calculate the Test Statistic.

(Please round your answer to 2 decimal places).

Hi, could you please answer this question?

I would greatly appreciate a fast response.

Thank you very much!