Video game Sales. The Chapter 1 Case Study looked at video game sales for the top 30 video games. The following table contains the total sales (in game units) and weeks on the top 30 list for a sample of five randomly selected video games. Use this information for Exercises 41 and 42.

Question 3.154

41. Find the following measures of spread for total sales:

  1. Range
  2. Sample variance
  3. Sample standard deviation

3.2.41

(a) 1.5 million game units (b) 0.327 million game units squared (c) 0.5718 million game units