Refer to the Baseball 2012 data, which report information on the 30 Major League Baseball
teams for the 2012 season. Assume the 2012 data represents a sample.
a. Develop a 95% confidence interval for the mean number of home runs per team.
b. Develop a 95% confidence interval for the mean number of errors committed by each team.
c. Develop a 95% confidence interval for the mean number of stolen bases for each team.