STATISTICS:ART+SCI.(LL)W/MYSTAT>CUSTOM<
STATISTICS:ART+SCI.(LL)W/MYSTAT>CUSTOM<
17th Edition
ISBN: 9781323431160
Author: Agresti
Publisher: PEARSON C
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Chapter 3, Problem 61CP

Choose explanatory and response For the following pairs of variables, identify the response variable and the explanatory variable.

  1. a. Number of square feet in a house and assessed value of the house.
  2. b. Political party preference (Democrat, Independent, Republican) and gender.
  3. c. Annual income and number of years of education.
  4. d. Number of pounds lost on a diet and type of diet (low-fat, low-carbohydrate).

a.

Expert Solution
Check Mark
To determine

Find the response and the explanatory variables.

Explanation of Solution

Response variable:

A variable that is changed because of the influence of the explanatory variable is termed as response variable. The other name for response variable is dependent variable.

Explanatory variable:

A variable that can be changed or controlled in an experiment is termed as explanatory variable. The change in the response variable is explained by the explanatory variable.

The given pair of variables are number of square feet in a house and assessed value of the house. Here, the assessed value depends on the number of square feet of the house.

Therefore, the response variable is “assessed value” and the explanatory variable is “square feet”.

b.

Expert Solution
Check Mark
To determine

Discover the response and the explanatory variables.

Explanation of Solution

The given pair of variables are political party preference and gender. Here, the variable political party depends on the gender.

Therefore, the response variable is “political party” and the explanatory variable is “gender”.

c.

Expert Solution
Check Mark
To determine

Identify the response and the explanatory variables.

Explanation of Solution

The given pair of variables are annual income and number of years of education. Here, the variable annual income depends on the number of years of education.

Therefore, the response variable is “income” and the explanatory variable is “education”.

d.

Expert Solution
Check Mark
To determine

Obtain the response and the explanatory variables.

Explanation of Solution

The given pair of variables are number of pounds lost on diet and type of diet. Here, the variable pounds lost depends on the type of diet, which are categorized by low-fat and low-carbohydrate.

Therefore, the response variable is “pounds lost” and the explanatory variable is “type of diet”.

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Chapter 3 Solutions

STATISTICS:ART+SCI.(LL)W/MYSTAT>CUSTOM<

Ch. 3.2 - Used cars and direction of association For the 100...Ch. 3.2 - Broadband and GDP The Internet Use data file on...Ch. 3.2 - Prob. 13PBCh. 3.2 - Politics and newspaper reading For the FL Student...Ch. 3.2 - Prob. 15PBCh. 3.2 - Match the scatterplot with r Match the following...Ch. 3.2 - Prob. 17PBCh. 3.2 - Prob. 18PBCh. 3.2 - Prob. 19PBCh. 3.2 - Prob. 20PBCh. 3.2 - Prob. 21PBCh. 3.2 - Prob. 22PBCh. 3.2 - Prob. 23PBCh. 3.3 - Sketch plots of lines Identify the values of the...Ch. 3.3 - Prob. 25PBCh. 3.3 - Home selling prices The House Selling Prices FL...Ch. 3.3 - Prob. 27PBCh. 3.3 - Prob. 28PBCh. 3.3 - Prob. 29PBCh. 3.3 - Broadband subscribers and population The Internet...Ch. 3.3 - Prob. 31PBCh. 3.3 - Prob. 32PBCh. 3.3 - Regression between cereal sodium and sugar The...Ch. 3.3 - Prob. 34PBCh. 3.3 - Advertising and sales Each month, the owner of...Ch. 3.3 - Midtermfinal correlation For students who take...Ch. 3.3 - Predict final exam from midterm In an introductory...Ch. 3.3 - NL baseball Example 9 related y = team scoring...Ch. 3.3 - Study time and college GPA A graduate teaching...Ch. 3.3 - Oil and GDP An article in the September 16, 2006,...Ch. 3.3 - Mountain bikes revisited Is there a relationship...Ch. 3.3 - Mountain bike and suspension type Refer to the...Ch. 3.3 - Fuel Consumption Most cars are fuel efficient when...Ch. 3.4 - Extrapolating murder The SPSS figure shows the...Ch. 3.4 - Mens Olympic long jumps The Olympic winning mens...Ch. 3.4 - U.S. average annual temperatures Use the U.S....Ch. 3.4 - Murder and education Example 13 found the...Ch. 3.4 - Murder and poverty For Table 3.6, the regression...Ch. 3.4 - TV watching and the birth rate The figure shows...Ch. 3.4 - Looking for outliers Using software, analyze the...Ch. 3.4 - Regression between cereal sodium and sugar Let x =...Ch. 3.4 - Gestational period and life expectancy Does the...Ch. 3.4 - Antidrug campaigns An Associated Press story (June...Ch. 3.4 - Whats wrong with regression? 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