Q T1.6. - The Practice of Statistics for AP

Question

Which of the following statements about this distribution is not correct? 

(a) The histogram is right-skewed. 

(b) The median is less than $\backslash (20$

(c) The IQR is $\backslash )35$

(d) The mean is greater than the median. 

(e) The histogram is unimodal.

Step-by-Step Solution

Answer

The correct option is (c) The IQR is $\$35$

Step 1: Given information

Given

Step 2: Concept

A statistical graph or chart is a visual representation of statistical data in graphical form.

Step 3: Explanation

The QR cannot be 35 dollars because the third quartile is between $20$ and $30$ dollars. Therefore, option (c) is not correct (IQR is $\$35$).