3. Does your body temperature change during the day? Listed below are body temperatures (in F) of subjects measured at 8:00 am and at 12:00 am. Construct a 95% confidence interval estimate of the difference between the 8:00 am temperatures and the 12:00 am temperatures. Is body temperature basically the same at both times? 8:00 am 97.0 96.2 97.6 96.4 97.8 99.2 12:00 am 98.0 98.6 98.8 98.0 98.6 97.6 a) Calculate the value of the margin of the error E. [4 marks] b) Construct the confidence interval. [3 marks] c) Interpret the results found in part b. [2 marks] d) In the context of this question, what does our answer to part c mean? What does this mean about the body temperature?