What is the population? What is the parameter? What is the symbol for this parameter? What is the sample? What is the statistics?

Question

A researcher wants to determine the average amount of minutes it takes for a medicine to reduce headache pain for adult.He contacted 107 but only got results from 79 of the subjects, the average time it took for the medicine to reduce headache pain in 27 minutes.

What is the population?

What is the parameter?

What is the symbol for this parameter?

What is the sample?

What is the statistics?

What is the symbol for this statistics

Answer 1

The population is adults that have headache pains

The parameter is the average time for the medicine to reduce headache pain in the population, with symbol µ.

The sample is the subjects that took the headache medicine and responded to the researcher (79 subjects).

The statistic is the average time for the medicine to reduce headache pain in the sample, with symbol x̄ (27 minutes).