A fitness center is interested in the mean amount of time a client exercises in the center each week.

Define the following in terms of the study.

• Part (a) Multiple Choice

The population

a) The population is all of the clients sampled by the fitness center.

b) The population is all of the clients of the fitness center.

c) The population is the total amount of time a client exercises in one week.

d) The population is all of the clients that use the fitness center for a given week.

• Part (b) Multiple Choice

The sample

a) The sample would be all of the clients that use the fitness center for a given week.

b) The sample would be all of the clients of the fitness center.

c) The sample would be the total amount of time a client exercises in one week.

d) The sample would be the days of the week in which the most clients use the fitness center.

Part (c) Multiple Choice

The parameter

a) The parameter is the average amount of time that a sample of clients exercises in one week.

b) The parameter is the number of clients who visit the fitness center in one week.

c) The parameter is the average amount of time that all clients exercise in one week.

d) The parameter is the average number of visits per day for one week.

• Part (d) Multiple Choice

The statistic

a) The statistic is the average amount of time that all clients exercise in one week.

b) The statistic is the total amount of time that all clients exercise in one week.

c) The statistic is the average amount of time that a sample of clients exercises in one week.

d) The statistic is the number of clients who visit the fitness center in one week.

• Part (e) Multiple Choice

The variable

a) The variable is the number of clients that visit the fitness center each day.

b) The variable is the average number of visits per week for all clients.

c) The variable is the number of days per week that a client visits the fitness center.

d) The variable is the amount of time that a client exercises in one week.

• Part (f) Multiple Choice

The data

a) Examples: 5 hours, 3 hours 30 minutes, 2 hours 45 minutes

b) Examples: 5 weeks, 1 week, 2 weeks

c) Examples: 5 days, 2 days, 3 days

d) Examples: 58 clients, 25 clients, 90 clients