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Q: Researchers surveyed more than 230 american male weight lifters, ranging in a

ID: 3179094 • Letter: Q

Question

Q: Researchers surveyed more than 230 american male weight lifters, ranging in age from 18 to 40, and found that 12% of them had used HGH, which has been banned in sports for more than 20 years now. The median usage time for those who reported HGH use was 23 weeks.

(Please answer all parts A, B, C attatched in the picture)

1. Researchers surveyed more than 230 American male weight lifters, ranging in age from 18 to 40, and found that 12% of them had used HGH, which has been banned in sports for more than 20 years now. The median usage time for those who reported HGH use was 23 weeks. a. Is the "12%" a parameter or a statistic? b. Is the "23 weeks" a parameter or a statistic? c. What is the population?

Explanation / Answer

Parameters are numbers that summarize data for an entire population. Statistics are numbers that summarize data from a sample, i.e. some subset of the entire population.

a. Based on definition 12% is statistics

b. Median is statistics

c. Population is all American weight lifters