A gym manager wants to know the average number of days a person goes to the gym each week. Currently, there are 124 gym members. She sent an online survey, and 68 gym members responded. Twenty-five said they go to the gym 1–3 times a week. Nineteen said they work out 4–5 times a week. The rest said they go to the gym every day. Identify the population and the sample.
Population: The entire group of 124 gym members.
Sample: The 68 gym members who responded to the survey.
Population: The population in this scenario refers to all the gym members, which is stated as 124.
Sample: The sample in this scenario refers to the 68 gym members who responded to the online survey.