The following tables provides before and after performance results on a history quiz. In between, a history lesson was given. Is there evidence that the lesson improved performance on the quiz by more than 3 points? Assume that the population of differences is normally distributed. Report the p-value of the test to three decimal places. Before Lesson Quiz Results 6 11 6 7 14 7 8 After Lesson Quiz Results 10 16 11 11 15 15 15

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A:

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A:

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Q: Life Time: 11-15 19-23 3-7 15-19 23-27 Number of Batteries: 20 10 10 4. Find the median of the data.

A: p

Q: coefficient of variation is 30%. Its mode Is 88. Find the mean and the median.

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Q: 26 26 22 27 28 14 8 21 7 27 11 10 7 22 25   Question 1 What is the median for the above-mentioned…

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Q: Find sd.The differences between two sets of dependent data are​ 0.4, 0.24,​ 0.22, 0.26, 0.34. Round…

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A: n = 30 and SS = 10 for difference scores.