Big Ideas Math Integrated I, 2016
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Big Ideas Math Integrated I, 2016 View details
5. Choosing a Data Display
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Exercise 28 Page 368

Are the labels of the axis appropriately labeled?

See solution.

Practice makes perfect
We will begin by looking at the line graph from which the manager concludes that the company is experiencing a decline.
line graph

We are asked to find what is missing in the graph and explain why the manager may be mistaken. Note that the vertical axis is not labeled, which means we do not know what it represents. It could be the expenses on repairing faulty products, which means that company is not in decline. Please note that this is only one of the many possible interpretations.