Use the following to answer the question(s) below.
Summary statistics and a histogram for certain data are shown below.

-The IQR for these data is
A) 16.7.
B) 5.9.
C) 17.9.
D) 3.6.
E) 13.4.

Question

Use the following to answer the question(s) below.
Summary statistics and a histogram for certain data are shown below.
  
-The IQR for these data is
A) 16.7. 
B) 5.9. 
C) 17.9. 
D) 3.6. 
E) 13.4.

Quizplus · Accepted Answer

The IQR is the distance between the third quartile (Q3) and the first quartile (Q1). Looking at the box plot in the summary statistics, we can see that Q1 is approximately 14.8 and Q3 is approximately 20.7. Therefore, the IQR is approximately 5.9 (20.7 - 14.8).

Use the Following to Answer the Question(s) Below