Chapter 1.2, Problem 1.32E

a)

To determine

To give the list of the question of interest.

Explanation of Solution

Given:

According to the National Institute on Media and the Family, a preschooler’s risk of obesity jumps 6% for every hour of television watched per day. The risk increases by 31% if the TV is in their bedroom.

The study is about the watching a risk of watching a TV and relative risk of watching a TV in their bedroom. Therefore, the question arises are:

1)How much do you watch a television per day?

2)Do you have a TV in your bedroom?

b)

To determine

To identify whether the observational study or experimental study.

Answer to Problem 1.32E

This is an observational study.

Explanation of Solution

Given:

According to the National Institute on Media and the Family, a preschooler’s risk of obesity jumps 6% for every hour of television watched per day. The risk increases by 31% if the TV is in their bedroom.

First need to understand about the experimental study and observational study:

Experimental study: Assigning people or things to groups and applying some treatment to one group, while the other group does not receive the treatment.

Observation study: In an observational study, measure or survey members of a sample without trying to affect them.

This study is an observation study. In this study, the researcher asked to people about the watching a television.

c)

To determine

To individuals and variables.

Explanation of Solution

Given:

According to the National Institute on Media and the Family, a preschooler’s risk of obesity jumps 6% for every hour of television watched per day. The risk increases by 31% if the TV is in their bedroom.

First need knows about the individual and variables:

The individuals are said to be an object of a data described by the set of data.

The variables are the headers in which survey is investigated.

The individuals are preschooler’s which having ages 1 to 4. The variables are Number of hours of watching a TV and TV in bedroom.