5) An educational researcher is investigating whether there is a significant difference in the test scores of two different teaching methods, Method A and Method B. The following table displays the test scores of students in both groups. . Conduct a two-sample t-test at a significance level of 1% to analyze the data: Method A 85 90 88 92 87 Method B 88 85 89 87 90

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A: Since you have posted multiple questions, we will solve the first question for you. To get the…

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A: The correlation coefficient is 0.8137.

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