Problem-Solving and Data AnalysisEasy–MediumRange of daily sales
Problem-Solving and Data Analysis practice question
A shop's sales on five days were $120, $95, $140, $160, and $85. What is the range of these sales, in dollars?
Answer: 75
Range = 160 − 85 = 75.
Common wrong answers
- If you answered 65
- 65 subtracts 95 from 160, using the wrong minimum.
- If you answered 120
- 120 is the mean.
- If you answered 160
- 160 is the maximum.
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