Answer to Question #83688 in Statistics and Probability for alaa a

Question

Because of staffing decisions, managers of the Gibson-Marimont Hotel are interested in the variability in the number of rooms occupied per day during a particular season of the year. A sample of 23 days of operation shows a sample mean of 284 rooms occupied per day and a sample standard deviation of 28 rooms.
Provide a 90% confidence interval estimate of the population variance (to 1 decimal).