Chapter 11.2, Problem 20E

To determine

To identify the range and interquartile range.

Answer to Problem 20E

All statement are true except statement (d).

Explanation of Solution

Given information: Box-and-whisker plot.

Calculation:

  

Approximately the middle 50 percent of the data fall inside the box.

1. Yes, the dataset contains the value 11
2. Yes, the dataset contains the value 6
3. Fewer data plots are found to the right of the graph. So the distribution is skewed right.
4. You cannot find the mean from the box plot itself. The information that you get from the box plot is the five number summary, which is the minimum, first quartile, median, third quartile, and maximum.