Question: A general physician recorded the oral and rectal temperatures of nine consecutive patients who made first visits to his office. The temperatures are given in degrees Celsius (°C). The following measurements were recorded:
(a) From this data, what is your best point estimate of mean difference between oral and rectal temperatures?
(b) Give a 95% confidence interval for this difference, and state what the interval means.
(c) Give a 95% confidence interval for mean oral temperature.
(d) Give a 95% confidence interval for mean rectal temperature.