A large family held department store had the business objective of improving its response to complaints The variable of interest was defined as the number of days between when the complaint was made and when it was resolved Data were collected from 40 complaints that were made in the last year Use the data to complete parts a through d below Click the icon to view the data table a Construct a 95 confidence interval estimate for the population mean number of days between the receipt of a complaint and the resolution of the complaint The 95 confidence interval estimate is from Round to one decimal place as needed days to days