High School

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Determine whether the given value is a sample statistic or a population parameter.

A health and fitness club surveys 40 randomly selected members and finds that the average weight of those questioned is 157 lb.

A. Sample statistic
B. Population parameter
C. Not mentioned
D. Data insufficient

Answer :

Final answer:

The given value, which is the average weight of 157 lb for the 40 randomly selected members in the health and fitness club, is a sample statistic.

Explanation:

The given value, which is the average weight of 157 lb for the 40 randomly selected members in the health and fitness club, is a sample statistic. A sample statistic represents a property of the sample, and since it is based on the data from the randomly selected members, it is a sample statistic. A population parameter would be the average weight of all members in the health and fitness club, but since we only have data for the randomly selected members, we can only calculate a sample statistic.

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