Mathematics, 20.05.2021 21:00 dondre54
Bob and Lashonda want to find the mean weight of cats at their local pet adoption center. So they each randomly select cats at the shelter and measure the weights.
The results are shown below (in pounds). Use the data to answer the questions.
Bob's sample:
15, 8, 20, 9, 12, 19
Lashonda's sample:
8, 6, 10, 11
(a) What is the sample size for Bob's sample?
(b) What is the sample size for Lashonda's sample?
(c) Suppose you had to choose one sample to estimate the mean.
Which sample is more likely to give a good estimate of the mean?
A: Bob's sample
B: Lashonda's sample
Why?
A: It has the smaller mean.
B: It has the larger mean.
C It has the smaller sample size.
D It has the larger sample size.
Answers: 2
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