Question

1. what is the interquartile range of box plot below? 10 12 14 16 18 20 22 24 26 4 12 6 3

Explanation:

Step1: Identify Q1 and Q3

In a box - plot, the left - hand side of the box is Q1 and the right - hand side is Q3. From the box - plot, Q1 = 16 and Q3 = 22.

Step2: Calculate the interquartile range (IQR)

The formula for the interquartile range is $IQR=Q3 - Q1$. Substitute Q1 = 16 and Q3 = 22 into the formula: $IQR=22 - 16$.
$IQR = 6$

Answer:

6