The following are two sets of data for the atomic mass of antimony the work of Willard and McAlpine Set 1 Set 2 121.771 121.784 121.787 121.758 121.803 121.765 121.781 121.794 a) Determine the 95% confidence interval for each data set. b) Determine whether the 121.803 value in the first data set is an outlier for that set at the 95% confidence level. c) Use the t test to determine whether the means of the two data sets differ at the 95% confidence level. d) Use the F test to determine whether the variances of the two data sets differ at the 95% confidence level.

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