Question

The line graph represents the height of 10 students in cm. Answer the questions based on the line graph.
Q. What’s the difference between average revenue of Company A from 1985 to 1995 to the average revenue of Company B from 1995 to 2005

• A. 8
• B. 12
• C. 4
• D. 0.0

Answer 1

The correct option is A 8

Average revenue of Company A from 1985 to 1995
$=\frac{49+53+59+63+60+63}{5}=\frac{347}{5}$
Average revenue of Company B from 1995 to 2005
$=\frac{42+54+44+50+57+60}{5}=\frac{307}{5}$
Difference $=\frac{347-307}{5}=8$