Introduction to the Practice of Statistics
9th Edition
ISBN: 9781319013387
Author: David S. Moore, George P. McCabe, Bruce A. Craig
Publisher: W. H. Freeman
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Chapter 7.2, Problem 80E
(a)
To determine
To graph: The back-to-back stem plot and side-by-side boxplots to examine the data of wade tract that is divided into the eastern and western halves. Also, describe the pattern followed in these graphs.
(b)
To determine
To explain: Whether the method of this section is appropriate to compare the mean DBH of the trees in the eastern and western halves.
(c)
To determine
To find: The null and alternative hypotheses for comparing the two samples of tree DBHs.
(d)
To determine
To test: The significance of the difference between the two samples of tree DBHs.
(e)
To determine
To find: A 95% confidence interval for the difference in mean DBHs.
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Chapter 7 Solutions
Introduction to the Practice of Statistics
Ch. 7.1 - Prob. 1UYKCh. 7.1 - Prob. 2UYKCh. 7.1 - Prob. 3UYKCh. 7.1 - Prob. 4UYKCh. 7.1 - Prob. 5UYKCh. 7.1 - Prob. 6UYKCh. 7.1 - Prob. 7UYKCh. 7.1 - Prob. 8UYKCh. 7.1 - Prob. 9UYKCh. 7.1 - Prob. 10UYK
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