A large family-held department store had the busress objective of improvng ts response to compilaints The variatle of interest was defined as the number of days between when the compiaint was made and when it was resclved Data were collected from 40 comptants that were made in the last year Use the data to complete parts (a) vrough (d) below m Chck the icon to view the data table . Construct a 95% contidence interval estmate for the population mean rumber of days between the receipt of a complant and the resolution of the compiant The 95% confidence interval estimate s from days to days (Round to one decimal place as needed) Complaint Data Days Between Complaint and Resolution of Complaint 45 162 32 64 24 28 24 20 18 1 2 115 27 45 34 111 33 69 16 17 19 26 7 8 152 16 64 81 12 26 26 93 10 49 26 42 29 14 37

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A:

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