Question

heres a box plot that summarizes the average monthly rainfall of several cities. find the interquartile range (iqr) of the data.

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 = 5 and Q3 = 7.

Step2: Calculate IQR

The formula for the inter - quartile range is $IQR=Q3 - Q1$. Substitute Q1 = 5 and Q3 = 7 into the formula: $IQR=7 - 5$.

Answer:

2