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Chapter 1: Q. 42 (page 52)

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

Short Answer

Expert verified

a. The total number of people who use the fitness center.

b. A representative sampling of the fitness center's clients throughout the course of a week.

c. The parameter represents the average amount of time spent exercising by all clients in a given week.

d. The figures represent the average amount of time spent exercising by a group of clients over the course of a week.

e. The variable represents the amount of time spent exercising by a customer in a given week.

f. Examples are: 2 hours, 5 hours, and 7.5 hours..

Step by step solution

01

Introduction

A health club (sometimes called a fitness club, fitness center, health spa, or simply a gym) is a facility that holds exercise equipment for the purpose of physical activity.

02

Explanation of a

The population will be fitness center clients, according to the information given.

03

Explanation of b

Based on the information supplied, a random sample of a few clients who exercise at the fitness facility each week will be used to sample this data.

04

Explanation of c

Based on the information provided, the parameter of this data will be the population mean of the amount of time a customer exercises at the facility.

05

Explanation of d

The sample means of the length of time a customer exercises in the center will be the statistic of this data, according to the specified information.

06

Explanation of e

The amount of time a customer exercises at the facility will be the variable of this data, according to the details supplied.

07

Explanation of f

The data will be the values of variables such as 50 minutes, 75 minutes, and so on, based on the information supplied.

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Most popular questions from this chapter

Use the following data to answer the next five exercises: Two researchers are gathering data on hours of video games played by school-aged children and young adults. They each randomly sample different groups of 150 students from the same school. They collect the following data.

Would the sample size be large enough if the population is school-aged children and young adults in the United States?

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As part of a way to reward students for participating in the survey, the researchers gave each student a gift card to a video game store. Would this affect the data if students knew about the award before the study?

Describe the unethical behavior, if any, in each example and describe how it could impact the reliability of the resulting data. Explain how the problem should be corrected. A study is commissioned to determine the favorite brand of fruit juice among teens in California.

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