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A sample of 82 mice is observed from birth until they are 1 year old. The total

ID: 3244217 • Letter: A

Question

A sample of 82 mice is observed from birth until they are 1 year old. The total amount of growth experienced by each mouse is recorded. The median amount of growth of these mice is 4.5 centimeters. In this example, 4.5 centimeters is a: random variable. statistic. sampling distribution. parameter. A sample of 82 mice is observed from birth until they are 1 year old. The total amount of growth experienced by each mouse is recorded. The median amount of growth of these mice is 4.5 centimeters. In this example, 4.5 centimeters is a: random variable. statistic. sampling distribution. parameter.

Explanation / Answer

ans) In this example, 4.5 centimeters is a : statistic

A statistic is a characteristic of a sample. Generally, a statistic is used to estimate the value of a population parameter . here the population parameter is median and 4.5 is the value of sample median.