The objective of the study is determine the mean amount of time a client exercises in the center each weak. Therefore, the variable of the study is 5: X = the amount of time one client spends exercising in the fitness center each week.
Thus, the investigated population is 4: All the clients at the fitness center, while the sample must be 2: A group of clients at the fitness center.
Considering this population and sample, the data that we're interested in extract is 1: The amount of time spent exercising by clients in the fitness center each week. Then, the parameter obtained from the data might be 3: The mean amount of time clients spend exercising in the fitness center each week in the sample, while the aimed statistic is 6:The mean amount of time clients spend exercising in the fitness center each week.
Answer:
Population: 4
Sample: 2
Variable: 5
Statistic: 6
Parameter: 3
Data: 1
