which letter represents the upper quartile of the data set on the box plot?\na b c d e\n0 5 10 15 20…

Answer:

C. D

Explanation:

Step1: Recall box - plot components

In a box - plot, the box represents the inter - quartile range (IQR). The left - hand side of the box is the lower quartile ($Q_1$), the line inside the box is the median ($Q_2$), and the right - hand side of the box is the upper quartile ($Q_3$).

Step2: Identify upper quartile

Looking at the given box - plot, the letter representing the right - hand side of the box is D, which is the upper quartile of the data set.