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Give a 93% confidence interval, for :11 p2 given the following information. 30, 1 = 2.66, 31 = 0.41 35, 2 = 2.58, 82 =
Give a 93% confidence interval, for :11 p2 given the following information. 30, 1 = 2.66, 31 = 0.41 35, 2 = 2.58, 82 = 0.3 C] :I: C] Use Technology: Rounded to 2 decimal places. Hint "'1 "'2 ill FCES Question Help: EJVideo Submit Question lU FCES You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 20 night students, and the sample mean GPA is 2.22 with a standard deviation of 0.6. You sample 25 day students, and the sample mean GPA is 1.83 with a standard deviation of 0.86. Test the claim using a 5% level of significance. Assume the population standard deviations are unequal and that GPAs are normally distributed. Give answer to at least 4 decimal places. What are the correct hypotheses? : Based on the hypotheses, find the following: Test Statistic = C] Critical values = :l: I] (Just enter the positive CV.) The correct decision is to Fail to reject the null hypothesis V d' The correct summa would be: that the mean .. night students is different from the mean GPA of day students. Submit
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