Concept explainers
To calculate: The centers of the two populations using median.
Answer to Problem 7IP
The Summer Lake has a median of 60 visitors.
The Canyon overlook has a median of 80 visitors.
Median of Canyon overlook is greater than Summer Lake.
Canyon overlook has more daily visitors.
Explanation of Solution
Given information: The double box plot shows the number of daily visitors in two parks.
Calculation:
The distribution of visitors in Summer Lake is symmetric, while that of visitors in Canyon overlook is not symmetric. Use the median to compare the centers and the inter quartile range to compare the variations.
In box plot, a box is drawn from the first quartile to the third quartile and median is where the vertical line goes through.
For Summer Lake:
The Summer Lake has a median of 60 visitors.
For Canyon overlook:
The Canyon overlook has a median of 80 visitors.
Summer Lake | Canyon overlook | |
median | 60 | 80 |
Median of Canyon overlook is greater than Summer Lake.
Canyon overlook has more daily visitors.
Chapter 10 Solutions
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