9 * 0 = 0
6 * 1 = 6
2 * 1 = 4
3 * 4 = 12
Total number of pets = 22
Total number of classmates = 20
22/20 = 1.1 mean number of pets
Rachel is curious about the number of pets that people own. She surveyed her 20 classmates, asking them exactly how many pets they own. Rachel's data is shown below:
Number of Pets 0 Pets 1 Pet 2 Pets 3 Pets
Number of Classmates 9 6 1 4
What is the mean number of pets owned by Rachel's classmates?
1 answer