Concept explainers
(a)
To create: The box and whisker plot by using graphing calculator and then describe the shape of the distribution.
(a)
Answer to Problem 11SGR
The box and whisker plot by using graphing calculator is shown in figure (1), and the distribution is positively skewed.
Explanation of Solution
Given:
Time in the
Calculation:
The box and whisker plot is as follows.
Figure (1)
The right whisker is longer than the left whisker so the distribution is positively skewed.
Therefore, the box and whisker plot by using graphing calculator is shown in figure (1), and the distribution is positively skewed.
(b)
To describe: The center and spread of the data using either the mean and standard deviation or the five number summary.
(b)
Answer to Problem 11SGR
The median is
Explanation of Solution
Given:
Time in the
Calculation:
Since the distribution is skewed, use the five-number summary as shown below.
Kelly’s times range from
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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