Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter 5, Problem 7E
a)
To determine
To explain features of the distribution from Histogram and boxplot.
a)
Expert Solution
Answer to Problem 7E
The Histogram and boxplot shows the distribution unimodal and right skewed.
Explanation of Solution
Given:
Calculation:
The Histogram and boxplot shows the distribution unimodal and right skewed. There are two outliers shows around 37 and 47. The
b)
To determine
To explain features of the distribution, include on Histogram but not in boxplot.
b)
Expert Solution
Answer to Problem 7E
The unimodal shape of the distribution.
Explanation of Solution
Given:
Calculation:
The Histogram suggests that the distribution unimodal with increasing between 22 and 24. This shape does not see clear in Boxplot.
c)
To determine
To explain which summary statistics is useful to summarize the center of the distribution.
c)
Expert Solution
Answer to Problem 7E
Median.
Explanation of Solution
Given:
Calculation:
As the shape of the distribution is right skewed, I would prefer median as an appropriate summary statistic.
d)
To determine
To explain which summary statistics is useful to summarize the spread of the distribution.
d)
Expert Solution
Answer to Problem 7E
IQR.
Explanation of Solution
Given:
Calculation:
As the shape of the distribution is right skewed, I would prefer IQR as an appropriate summary statistic.
Chapter 5 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Ch. 5 - Prob. 1ECh. 5 - Prob. 5ECh. 5 - Prob. 6ECh. 5 - Prob. 7ECh. 5 - Prob. 8ECh. 5 - Prob. 9ECh. 5 - Prob. 10ECh. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - Prob. 13E
Ch. 5 - Prob. 14ECh. 5 - Prob. 15ECh. 5 - Prob. 16ECh. 5 - Prob. 17ECh. 5 - Prob. 18ECh. 5 - Prob. 19ECh. 5 - Prob. 20ECh. 5 - Prob. 21ECh. 5 - Prob. 22ECh. 5 - Prob. 23ECh. 5 - Prob. 24ECh. 5 - Prob. 25ECh. 5 - Prob. 26ECh. 5 - Prob. 27ECh. 5 - Prob. 28ECh. 5 - Prob. 29ECh. 5 - Prob. 30ECh. 5 - Prob. 31ECh. 5 - Prob. 32ECh. 5 - Prob. 33ECh. 5 - Prob. 34ECh. 5 - Prob. 35ECh. 5 - Prob. 36ECh. 5 - Prob. 37ECh. 5 - Prob. 38ECh. 5 - Prob. 39ECh. 5 - Prob. 40ECh. 5 - Prob. 41ECh. 5 - Prob. 42E
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