1. A sample of retailers reported that they had the followingnumber of copies of statistics textbooks in inventory:
57, 81, 69, 84, 85, 79, 71, 74,55.
- What is the mean number of textbooks in inventory? (10/200points)
- What is the median number of textbooks in inventory? (10/200points)
- What is the range of the number of textbooks in inventory?(5/200 points)
- The standard deviation is 10.98. What is the variance? (roundto two decimals) (5/200 points)
2. Create a Box and Whisker Plot using the following data. Besure to give the 5 quartiles. (15/200 points)
12, 20, 15, 17, 32, 21, 45, 15
