A publisher wants to estimate the mean length of time (in minutes) females spend reading fashion magazines a week. To determine this estimate, the publisher takes a random sample of 30 females and...

Extracted text: A publisher wants to estimate the mean length of time (in minutes) females spend reading fashion magazines a week. To determine this estimate, the publisher takes a random sample of 30 females and asks how long they spend reading fashion magazines a week. Given the descriptive statistics below, answer the following questions. Length of time (in minutes) Мean 45 Median 35 Standard Deviation 12 Minimum Маximum 180 Q1 20 Q2 35 Q3 90 Count 30


Extracted text: B. Using the descriptive statistics above, find the sample variance.