Problem-Solving and Data AnalysisEasy–MediumTotal from a mean
Problem-Solving and Data Analysis practice question
The mean mass of 5 parcels is 4.2 kilograms. What is the total mass of the 5 parcels, in kilograms?
Answer: 21
5 × 4.2 = 21.
Common wrong answers
- If you answered 0.84
- 0.84 divides 4.2 by 5.
- If you answered 9.2
- 9.2 adds 5 to 4.2.
- If you answered 4.2
- 4.2 is the mean, not the total.
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