Please use the accompanying Excel data set or accompanying Text le data set when completing the following exercise. A 1992 article in the Journal ofthe American Medical Association ("A Critical Appraisal of 98.6 Degrees F, the Upper Limit of the Normal Body temperature, and Other Legacies of Carl Reinhold August Wundrlich") reported body temperature, gender, and heart rate for a number of subjects. The temperatures for 25 female subjects follow: 97.8 97.2 97.4 97.6 97.8 97.9 98.0 98.0 98.0 98.1 98.2 98.3 98.3 98.4 98.4 98.4 98.5 98.6 98.6 98.7 98.8 98.8 98.9 98.9 99.0 Test the hypothesis H0 : ,u = 98.6 versus H1 :y 7': 98.6, using a = 0.05. Round your answers to three decimal places (e.g. 98.765). (a) Calculate the sample mean and standard deviation. >