Question 1

If bivariate regression,if the mean for Y is 512,the mean for X is 230,and the slope is
2)35,what is the approximate value of the y-intercept?

Accepted Answer

A) ─33.6 
B) + 28.5 
C) ─ 13.8 
D) + 40.5 
E) ─ 28.5 
A) ─33.6 
B) + 28.5 
C) ─ 13.8 
D) + 40.5 
E) ─ 28.5 E

Question 2

When the degree of association between two variables is studied,the dependent
Variable is called the:

Accepted Answer

A) concomitant variable. 
B) predictor variable. 
C) x-axis variable. 
D) multi-dimensional variable. 
E) criterion variable. 
A) concomitant variable. 
B) predictor variable. 
C) x-axis variable. 
D) multi-dimensional variable. 
E) criterion variable. E

Question 3

The coefficient of determination ranges between ________ and ________ .

Accepted Answer

A) minus one;plus one 
B) zero;one 
C) minus one;zero 
D) minus two;plus two 
E) one;plus one 
A) minus one;plus one 
B) zero;one 
C) minus one;zero 
D) minus two;plus two 
E) one;plus one B

Question 4

In regression analysis,the unexplained variation is a measure of the scatter around the
regression line.

Accepted Answer

A) True 
 B)False

Question 5

In regression,R squared is known as the:

Accepted Answer

A) coefficient of determination. 
B) the correlation coefficient. 
C) slope of the line. 
D) the value for Z. 
E) y-intercept. 
A) coefficient of determination. 
B) the correlation coefficient. 
C) slope of the line. 
D) the value for Z. 
E) y-intercept.

Question 6

When more than two variables are involved in a research study,the appropriate statistical
Tests are called:

Accepted Answer

A) univariate techniques. 
B) spurious techniques. 
C) multivariate techniques. 
D) one-dimensional techniques 
E) bivariate techniques. 
A) univariate techniques. 
B) spurious techniques. 
C) multivariate techniques. 
D) one-dimensional techniques 
E) bivariate techniques.

Question 7

The coefficient of determination equals the explained variation ________ the total
Variation.

Accepted Answer

A) minus 
B) times 
C) divided by 
D) squared;times 
E) plus 
A) minus 
B) times 
C) divided by 
D) squared;times 
E) plus

Question 8

The degree to which changes in one variable are associated with changes in another
Variable is known as:

Accepted Answer

A) chi-square. 
B) ANOVA. 
C) the dependent variable. 
D) the independent variable. 
E) correlation. 
A) chi-square. 
B) ANOVA. 
C) the dependent variable. 
D) the independent variable. 
E) correlation.

Question 9

Least-squares regression produces a straight line that "fits" the data in the scatter plot
better than any other possible line.

Accepted Answer

A) True 
 B)False

Question 10

The correlation coefficient is the square root of the coefficient of determination.

Accepted Answer

A) True 
 B)False

Question 11

Bivariate correlation can be used to prove that one variable caused the change in another
variable.

Accepted Answer

A) True 
 B)False

Question 12

In regression,the statistic that measures the percentage of total variation in Y that is
"explained" buy the variation in X is known as the:

Accepted Answer

A) correlation coefficient. 
B) slope of the line. 
C) the value for t. 
D) coefficient of determination. 
E) y-intercept. 
A) correlation coefficient. 
B) slope of the line. 
C) the value for t. 
D) coefficient of determination. 
E) y-intercept.

Question 13

When the data describing the association between two variables are used to create a
Straight-line through the data points such that this line summarizes the relationship between these variables,this is called a(n):

Accepted Answer

A) multiple regression procedure. 
B) ANOVA procedure. 
C) chi-square procedure. 
D) least-squares procedure. 
E) two-group t-test procedure. 
A) multiple regression procedure. 
B) ANOVA procedure. 
C) chi-square procedure. 
D) least-squares procedure. 
E) two-group t-test procedure.

Question 14

The correlation coefficient can range from ________ to ________ .

Accepted Answer

A) zero;plus two 
B) minus one;plus one 
C) minus two;plus two 
D) minus one;zero 
E) zero;plus one 
A) zero;plus two 
B) minus one;plus one 
C) minus two;plus two 
D) minus one;zero 
E) zero;plus one

Question 15

If the relationship between a predictor variable and a criterion variable is strong,the
predictor variable can be used to estimate the criterion variable using regression analysis.

Accepted Answer

A) True 
 B)False

Question 16

When two variables are involved in a research study,the appropriate statistical tests are
Called:

Accepted Answer

A) univariate techniques. 
B) spurious techniques. 
C) multivariate techniques. 
D) one-dimensional techniques 
E) bivariate techniques. 
A) univariate techniques. 
B) spurious techniques. 
C) multivariate techniques. 
D) one-dimensional techniques 
E) bivariate techniques.

Question 17

In a scatter diagram,the ________ variable is plotted on the x-axis,while the ________
Variable is plotted on the y-axis.

Accepted Answer

A) criterion;independent 
B) dependent;independent 
C) predictor;independent 
D) independent;dependent 
E) criterion;predictor 
A) criterion;independent 
B) dependent;independent 
C) predictor;independent 
D) independent;dependent 
E) criterion;predictor

Question 18

If the y-intercept is 2.34 and the slope of the line is 6.23,what is the regression function
For these data?

Accepted Answer

A) Y = 6.23 + 2.34 X 
B) Y = 2.34 + 6.23 X 
C) Y = 6.23 ─ 2.34 X 
D) Y = 2.34 ─ 6.23 X 
E) Y = 2.34 + 2.34 X 
A) Y = 6.23 + 2.34 X 
B) Y = 2.34 + 6.23 X 
C) Y = 6.23 ─ 2.34 X 
D) Y = 2.34 ─ 6.23 X 
E) Y = 2.34 + 2.34 X

Question 19

When the degree of association between two variables is studied,the independent
Variable is called the:

Accepted Answer

A) concomitant variable. 
B) predictor variable. 
C) y-axis variable. 
D) multi-dimensional variable. 
E) criterion variable. 
A) concomitant variable. 
B) predictor variable. 
C) y-axis variable. 
D) multi-dimensional variable. 
E) criterion variable.

Question 20

In the regression equation: Y = a + b X,a is the ________ ,while b is the ________ .

Accepted Answer

A) y-intercept;slope 
B) predictor;criterion 
C) criterion;predictor 
D) slope;y-intercept 
E) independent variable;dependent variable 
A) y-intercept;slope 
B) predictor;criterion 
C) criterion;predictor 
D) slope;y-intercept 
E) independent variable;dependent variable

Exam 17: Bivariate Correlation and Regression

If bivariate regression,if the mean for Y is 512,the mean for X is 230,and the slope is 2)35,what is the approximate value of the y-intercept?

When the degree of association between two variables is studied,the dependent Variable is called the:

The coefficient of determination ranges between ________ and ________ .

In regression analysis,the unexplained variation is a measure of the scatter around the regression line.

In regression,R squared is known as the:

When more than two variables are involved in a research study,the appropriate statistical Tests are called:

The coefficient of determination equals the explained variation ________ the total Variation.

The degree to which changes in one variable are associated with changes in another Variable is known as:

Least-squares regression produces a straight line that "fits" the data in the scatter plot better than any other possible line.

The correlation coefficient is the square root of the coefficient of determination.

Bivariate correlation can be used to prove that one variable caused the change in another variable.

In regression,the statistic that measures the percentage of total variation in Y that is "explained" buy the variation in X is known as the:

When the data describing the association between two variables are used to create a Straight-line through the data points such that this line summarizes the relationship between these variables,this is called a(n):

The correlation coefficient can range from ________ to ________ .

If the relationship between a predictor variable and a criterion variable is strong,the predictor variable can be used to estimate the criterion variable using regression analysis.

When two variables are involved in a research study,the appropriate statistical tests are Called:

In a scatter diagram,the ________ variable is plotted on the x-axis,while the ________ Variable is plotted on the y-axis.

If the y-intercept is 2.34 and the slope of the line is 6.23,what is the regression function For these data?

When the degree of association between two variables is studied,the independent Variable is called the:

In the regression equation: Y = a + b X,a is the ________ ,while b is the ________ .

The Role of Marketing Research in Management Decision Making

A: The Role of Marketing Research in Management Decision Making

The Marketing Research Industry and Research Ethics

A: The Marketing Research Industry and Research Ethics

Problem Definition,exploratory Research,and the Research Process

A: Problem Definition and the Research Process

Secondary Data and Databases

A: Secondary Data and Databases

Qualitative Research

A: Qualitative Research

Traditional Survey Research

A: Traditional Survey Research

Online Marketing Research

A: Online Marketing Research

Primary Data Collection: Observation

A: Primary Data Collection: Observation

Primary Data Collection: Experimentation and Test Markets

A: Primary Data Collection: Experimentation and Test Markets

The Concept of Measurement

A: The Concept of Measurement

Using Measurement Scales to Build Marketing Effectiveness

A: Using Measurement Scales to Build Marketing Effectiveness

Questionnaire Design

A: Questionnaire Design

Basic Sampling Issues

A: Basic Sampling Issues

Sample Size Determination

A: Sample Size Determination

Data Processing and Fundamental Data Analysis

A: Data Processing and Fundamental Data Analysis

Statistical Testing of Differences and Relationships

A: Statistical Testing of Differences and Relationships

A: Bivariate Correlation and Regression

Multivariate Data Analysis

A: Multivariate Data Analysis

Communicating the Research Results

A: Communicating the Research Results

Managing Marketing Research

A: Managing Marketing Research

Filters

The coefficient of determination ranges between and .

The correlation coefficient can range from to .

In a scatter diagram,the variable is plotted on the x-axis,while the Variable is plotted on the y-axis.

In the regression equation: Y = a + b X,a is the ,while b is the .