Listed below are body temperatures (in °F) from seven different subjects measured at 8 AM and again at 12 AM. 8 AM 12 AM 96.3 99.5 97.2 98.5 96.8 98.0 Margin of Error: E = 0.8524 X 98.2 98.2 Confidence Interval: -2.2524 X 97.0 98.9 a. Construct a 98% confidence interval for the difference in body temperature at the two times of day. Critical value: 2 or t* = 2.681 x (Enter the positive one.) -0.5476 X 97.9 98.5 96.7 98.3

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