A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study.The group of 25 rats is an example of a ____.
A)sample
B)statistic
C)population
D)parameter

Question

A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study.The group of 25 rats is an example of a ____.​
A)​sample
B)​statistic
C)​population
D)​parameter

Quizplus · Accepted Answer

A sample refers to a subset of a larger population, which in this case would be all rats. The researcher has selected 25 rats from the population to participate in the research study, making it a sample. B) A statistic is a numerical summary of a sample, not the sample itself. C) The population would include all rats, not just the 25 selected for the study. D) A parameter is a numerical summary of a population, not a sample.

A Researcher Is Interested in the Eating Behavior of Rats