Complaint Data Days Between Complaint and Resolution of Complaint 43 26 37 90 17 103 26 29 8 152 13 43 48 25 29 118 68 18 25 48 3 16 119 63 13 22 56 10 99 24 22 11 47 21 19 48 35 A large family-held department store had the business objective of improving its response to complaints. The variable of interest was detinea a u between when the complaint was made and when it was resolved. Data were oollected from 40 complaints that were made in the last year. Use the data to complete parts (a) through (d) below. E Cick 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 fromdays to days (Round to one decimal place as needed.)

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

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