Chapter SR34, Problem 19P

Solution

Use the box-and-whisker plot to answer exercise.

What is the least number of songs on one of Sam’s CDs? What is the greatest number?

Least number of songs on one of Sam’s CDs is 10.

Greatest number of songs on one of Sam’s CDs is 18.

Given:

The given box-and-whisker plot.

  

Concept used:

• Write the data in order from least to greatest. Ordered data are divided into a lower half and an upper half by the median. The median of the lower half is the lower quartile, and the median of the upper half is the upper quartile.

Calculation:

The given box-and-whisker plot is -

  

Write the data in order from least to greatest.

10 11 12 13 14 15 16 17 18

The median is 14.

The least number of songs on one of Sam’s CDs is 10.

The greatest number of songs on one of Sam’s CDs is 18.