You wish to test if the mean difference of post-test from pre-test is less than significance level of 0.01. For the context of this problem, d = post - pre You obtain pre-test and post-test samples for na = 20 subjects. The average x = -6.9 with a standard deviation of the differences of sd = 38.7. Round your answers to three decimal places, and round any interim calculatio Fill in the hypotheses below (click the circle to the left of the correct answer Hou_d Hau_d What is the test statistic? -0.797 0 0 Using your answer from the previous question, find the p-value. 0.2176

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