Question

students at javis school perform community service hours by volunteering at nursing homes, hospitals, and other places in their community. the box plot shows the number of hours each student volunteered. at least what percent of the students volunteered between 15 and 30 hours?

Explanation:

Step1: Recall box - plot properties

In a box - plot, the box represents the inter - quartile range (IQR). The lower quartile ($Q_1$) is the value at the start of the box and the upper quartile ($Q_3$) is the value at the end of the box. The median is the line inside the box. The range from $Q_1$ to $Q_3$ contains 50% of the data.

Step2: Identify values in box - plot

In the given box - plot, 15 is the lower quartile ($Q_1$) and 30 is the upper quartile ($Q_3$).

Answer:

50%