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Please complete A, B, C. B) Is there a difference in the measurement of the muzzle velocity between device A and device B at the alpha = 0.01 level of significance? Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers. Calculate the difference di for each observation i. Calculate the standard deviation sd of the difference data Calculate the test statistic Calculate the two critical t-values Determine whether to reject the null hypothesis C) Construct a 99% confidence interval about the population mean difference. Interpret your results. Now calculate both the lower and upper bound.
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