How many rounds of golf do those physicians who play golf play
per year? A survey of 12 physicians revealed the following numbers:
7,39,18,2,33,36,20,14,18,26,14,47 Estimate with 93% confidence the
mean number of rounds played per year by physicians, assuming that
the population is normally distributed with a standard deviation of
8. Note: For each confidence interval, enter your answer in the
form (LCL, UCL). You must include the parentheses and the comma
between the confidence limits.