Question

the box plot represents the number of minutes customers spend on hold when calling a company.
number of minutes spent on hold
(box plot with number line from 0 to 10, marked at 0,1,2,3,4,5,6,7,8,9,10)
what is the upper quartile of the data?
○ 3
○ 5
○ 6
○ 8

Explanation:

Step1: Recall box plot components

In a box plot, the box represents the interquartile range (IQR), with the left edge of the box being the lower quartile (Q1) and the right edge of the box being the upper quartile (Q3).

Step2: Identify upper quartile from plot

Looking at the given box plot, the right edge of the box is at 6. So the upper quartile (Q3) is 6.

Answer:

6