Question 56
The following graph shows the percentage rise in the profits of two companies over the years.
What is the average of the percentage increases in the year-to-year profit of Company M over all the given years, taken together? [Give your answer correct to the nearest integer value.]
Solution
average of the percentage increases in the year-to-year profit of Company M over all the given years, taken together = $$\frac{sum\ of\ data}{number\ of\ data}$$
= $$\left(\frac{25+10+15+25+20+30}{6}\right)$$%
= $$\frac{125}{6}$$%
= 20.83%
= 21% (approx.)
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