what is the first quartile of the data set represented by the box plot shown below? a. 20 b. 13 c. 25 d. 40

what is the first quartile of the data set represented by the box plot shown below? a. 20 b. 13 c. 25 d. 40
Answer
Explanation:
Step1: Recall box - plot properties
In a box - plot, the left - most value of the box represents the first quartile ($Q_1$).
Step2: Identify the first quartile
Looking at the box - plot, the left - most value of the box is 20.
Answer:
A. 20