Question 71

The Bar graph shown below presents the number of employees in an office during eight consecutive years.

The number of employees in year Y2 is how much percent less than average number of employees per year?

Solution

number of employees in year Y2 = 3485

avg = $$\frac{2262+ 3485 + 4342 +4801 + 5326 +5918 + 6426+7028 }{8}$$ = 4948.5

percent less than average number of employees per year

= $$\frac{4948.5-3485}{4948.5}\times100$$ = 29.57%

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