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Advanced Placement (AP), 05.05.2020 20:42 netflixacc0107

You calculated the standard deviation of the sample mean differences to be 0.69. You also calculated the sample mean difference to be 1.74. Now you’ll determine whether the difference is significant. For the purpose of constructing the confidence interval, assume that there’s no difference between the population means. Part A What is the 95% confidence interval for the difference of sample means?

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