Problem-Solving and Data AnalysisEasyBest estimate of a population mean
Problem-Solving and Data Analysis practice question
A random sample of 40 apples from an orchard has a mean mass of 150 grams. What is the best estimate, in grams, of the mean mass of all the apples in the orchard?
Answer: 150
The sample mean is the best single estimate of the population mean.
Common wrong answers
- If you answered 40
- 40 is the sample size.
- If you answered 6000
- 6,000 is the total mass of the sample.
- If you answered 3.75
- 3.75 divides 150 by 40.
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