Concept explainers
Relative Change. Exercises 15–22 each provide two values. For each pair of values, use a percentage to express their relative change or difference. Use the second given value as the reference value, and express results to the nearest percentage point. Also, write a statement describing the result.
15. Newspapers. The number of daily newspapers in the United States is now 1486, and it was 2226 in 1990.
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EBK STATISTICAL REASONING FOR EVERYDAY
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