The monthly salaries of a sample of 100 employees were rounded to the nearest ten dollars. They ranged from a low of \$1,040 to a high of \$1,720. If we want to condense the data into seven classes, what is the most convenient class interval?

A. \$50
B. \$100
C. \$150
D. \$200
E. none of the above

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2. 👎 0
3. 👁 882
1. The difference between the low and the high is \$680. If we want to divide that difference into seven classes, \$680/7 is close to \$100. An interval of \$100 would make the most sense here.

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2. 👎 0
2. 50

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3. B

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2. 👎 0

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