Question
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?
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?
Answers
Ms. Sue
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
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
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