coach wanted to know if aspiring junior tennis players are practicing more than 142 minutes each day. He sampled 20 of the players randomly and found their averagex ̅=147.47"min" and standard deviation s=22.26 min. a. Complete the hypothesis test at 0.05 level of significance, using the critical value method: H0: μ = 142 min H1: μ > 142 min b. What are the assumptions (or requirements) for this procedure? To receive full credits: Show all relevant information, including sample calculations, degree of freedom (if any), critical values, test statistic, etc. Show the steps on how to solve it. no

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A coach wanted to know if aspiring junior tennis players are practicing more than 142 minutes each day. He sampled 20 of the players randomly and found their averagex ̅=147.47"min" and standard deviation s=22.26 min.

a. Complete the hypothesis test at 0.05 level of significance, using the critical value method:

H0: μ = 142 min

H1: μ > 142 min

b. What are the assumptions (or requirements) for this procedure? To receive full credits: Show all relevant information, including sample calculations, degree of freedom (if any), critical values, test statistic, etc.

Show the steps on how to solve it. no excel

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