Test the hypothesis that the mean is less than 80. 1. The estimated variance of the mean is,2. The..

Test the hypothesis that the mean is less than 80. 1. The estimated variance of the mean is,2. The value of the test statistic is (if negative use the absolute value):3. Given α = 0.05, the critical value for the test is,4. The approximate p-value for the test is,5. Based on the p-value in the previous question,

 

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