Answer :
Answer:
B. Statistic
Step-by-step explanation:
The average weight of those questioned which is 157 lb. from the survey of 40 randomly selected member of a health and fitness club is an example of a statistic.
It is a calculated numerical value that characterises some aspects of a sample set of data.
Statistic refers to a numerical piece of information that uses quantified models, representations and synopses for a given set of a study. Statistic is used to to estimate the true value of a parameter in a population.
Final answer:
The average weight of the 40 randomly selected members from the health and fitness club is a statistic as it provides information about a sample from the club's larger population.
Explanation:
In statistics, a parameter is a value that tells us something about the entire population. A statistic, on the other hand, is a value that tells us something about a sample from the population. In this scenario, the average weight of 40 randomly selected members from the health and fitness club serves as a sample from a larger population of the club's members. Therefore, this average weight of 157 lb is an example of a statistic, not a parameter. We use such statistics to make predictions or inferences about the data related to the entire population of members.
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