Be sure to use the data in the workbook provided on smcmba.com. Also note question c is worded a little funny. They are looking for the lower and upper bounds of a 95% confidence interval for the number of minutes players spend standing around between plays.
a) Use the Standing data set to develop a point estimate of the number of minutes during an NFL game that players are standing around between plays. Round your answer to two decimal places.
Use the Standing data set to develop a point estimate of the number of minutes during an NFL game that players are standing around between plays. Round your answer to two decimal places.
b) What is the sample standard deviation? Round your answer to four decimal places.
c) Develop a 95% low level confidence interval for the number of minutes players spend standing around between plays. Round your answer to two decimal places.
d) Develop a 95% high level confidence interval for the number of minutes players spend standing around between plays. Round your answer to two decimal places.