A correlation coefficient computed from a sample of data values selected from a population is called a statistic and is subject to sampling error.

Question

Quizplus · Accepted Answer

A correlation coefficient computed from a sample reflects the relationship between variables within that sample and not the entire population, making it a statistic. Since it is derived from a sample, it is subject to sampling error, which means the value may vary due to the specific subset of data chosen.

A Correlation Coefficient Computed from a Sample of Data Values