what is the interquartile range (iqr) of the data set represented by this box plot? 38 45 50 67 75 a. 5 b…
what is the interquartile range (iqr) of the data set represented by this box plot? 38 45 50 67 75 a. 5 b. 17 c. 37 d. 22
Answer
Explanation:
Step1: Identify Q1 and Q3
In a box - plot, the left - hand side of the box is Q1 and the right - hand side of the box is Q3. Here, Q1 = 45 and Q3 = 67.
Step2: Calculate the IQR
The formula for the inter - quartile range is IQR=Q3 - Q1. So, IQR = 67−45. $IQR=22$
Answer:
D. 22