Question: Construct a normal quantile plot for the data in Exercise 24. Explain how the plot shows whether it is appropriate to treat this sample as

Construct a normal quantile plot for the data in Exercise 24.

Explain how the plot shows whether it is appropriate to treat this sample as coming from an approximately normal population.

Exercise 24

A fish hatchery raises trout to stock streams and lakes. The weights, in ounces, of a sample of 18 trout at their time of release are as follows.

9.9 11.3 11.4 9.0 8.6 7.8 10.8 8.4 10.1 8.2 8.9 9.9

Construct a stem-and-leaf plot for this sample. Is it reasonable to treat the sample as coming from an approximately normal population? Explain.

9.9 11.3 11.4 9.0 8.6 7.8 10.8 8.4 10.1 8.2 8.9 9.9 10.5 9.6 9.9 8.4 9.0 9.1

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