Fundamentals of Statistics (5th Edition)
5th Edition
ISBN: 9780134508306
Author: Michael Sullivan III
Publisher: PEARSON

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Textbook Question
Chapter 3.2, Problem 21AYU

A Fish Story Ethan and Drew went on a 10-day fishing trip. The number of smallmouth bass caught and released by the two boys each day was as follows:

1. a. Find the population mean and the range for the number of smallmouth bass caught per day by each fisherman. Do these values indicate any differences between the two fishermen’s catches per day? Explain.
2. b. Draw a dot plot for Ethan. Draw a dot plot for Drew. Which fisherman seems more consistent?
3. c. Find the population standard deviation for the number of smallmouth bass caught per day by each fisherman. Do these values present a different story about the two fishermen’s catches per day? Which fisherman has the more consistent record? Explain.
4. d. Discuss limitations of the range as a measure of dispersion.
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