Question 1

Which of the following symbols is associated with the independent variable in the regression equation?

Accepted Answer

A) X 
B) Y′ 
C) a 
D) b 
A) X 
B) Y′ 
C) a 
D) b A

Question 2

Which of the following symbols is associated with the slope in the regression equation?

Accepted Answer

A) X 
B) Y′ 
C) a 
D) b 
A) X 
B) Y′ 
C) a 
D) b D

Question 3

In a scatter plot,if all data points were aligned along a 44° angle,the correlation would be ______.

Accepted Answer

A) medium strength 
B) low strength 
C) high strength 
D) 0 
A) medium strength 
B) low strength 
C) high strength 
D) 0 C

Question 4

The standard error of estimate informs you of the average error along the line of regression.

Accepted Answer

A) True 
 B)False

Question 5

Using the regression formula with a slope = 0.704 and an intercept = 0.719,what would the predicted college GPA be for a student whose current high school GPA = 2.2?

Accepted Answer

A) 2.69 
B) 2.97 
C) 3.00 
D) 2.27 
A) 2.69 
B) 2.97 
C) 3.00 
D) 2.27

Question 6

What is linear regression?

Accepted Answer

Linear regression is a statist

Question 7

Using the regression formula with a slope = 2,000 and an intercept = 15,000,what would the predicted income be for someone who has 25 years of education?

Accepted Answer

A) $40,000 
B) $42,000 
C) $45,000 
D) $65,000 
A) $40,000 
B) $42,000 
C) $45,000 
D) $65,000

Question 8

Using the regression formula with a slope = 2,000 and an intercept = 15,000,what would the predicted income be for someone who has 35 years of education?

Accepted Answer

A) $40,000 
B) $42,000 
C) $45,000 
D) $85,000 
A) $40,000 
B) $42,000 
C) $45,000 
D) $85,000

Question 9

In multiple regression,added variables must be related to the outcome variable but ______.

Accepted Answer

A) correlated with and unrelated to each other 
B) independent of and correlated with each other 
C) independent of and uncorrelated with each other 
D) dependent of and uncorrelated with each other 
A) correlated with and unrelated to each other 
B) independent of and correlated with each other 
C) independent of and uncorrelated with each other 
D) dependent of and uncorrelated with each other

Question 10

If the absolute value of the correlation is very close to 0,the error in prediction will be ______.

Accepted Answer

A) high 
B) low 
C) very low 
D) 0 
A) high 
B) low 
C) very low 
D) 0

Question 11

How is the Y′ symbol interpreted?

Accepted Answer

A) Y intercept 
B) Y prime 
C) Y predictor 
D) Y score 
A) Y intercept 
B) Y prime 
C) Y predictor 
D) Y score

Question 12

What important guideline should you keep in mind when choosing independent variables for multiple regression?

Accepted Answer

When using a multiple-regressi

Question 13

Using the regression formula with a slope = 0.904 and an intercept = 0.719,what would the predicted college GPA be for a student whose current high school GPA = 3.2?

Accepted Answer

A) 2.69 
B) 2.33 
C) 3.61 
D) 3.20 
A) 2.69 
B) 2.33 
C) 3.61 
D) 3.20

Question 14

Which of the following symbols is associated with the predicted score in the regression equation?

Accepted Answer

A) X 
B) Y′ 
C) a 
D) b 
A) X 
B) Y′ 
C) a 
D) b

Question 15

If you are trying to predict Y scores from X scores,X is referred to as the ______.

Accepted Answer

A) nominal variable 
B) dependent variable 
C) predictor variable 
D) criterion variable 
A) nominal variable 
B) dependent variable 
C) predictor variable 
D) criterion variable

Question 16

To predict one variable from another,you must first ______.

Accepted Answer

A) compute the mean 
B) compute the standard deviation 
C) compute the correlation 
D) compute the variance 
A) compute the mean 
B) compute the standard deviation 
C) compute the correlation 
D) compute the variance

Question 17

When using two predictor variables,these variables should be ______.

Accepted Answer

A) correlated 
B) related 
C) dependent 
D) independent 
A) correlated 
B) related 
C) dependent 
D) independent

Question 18

Which of the following determines the direction of the regression line?

Accepted Answer

A) intercept 
B) predicted score 
C) criterion score 
D) slope 
A) intercept 
B) predicted score 
C) criterion score 
D) slope

Question 19

If the absolute value of your correlation is 0.1 your error in prediction will be ______.

Accepted Answer

A) high 
B) low 
C) very low 
D) 0 
A) high 
B) low 
C) very low 
D) 0

Question 20

The guidelines for determining the number of predictor variables to use to predict a criterion variable include all but which of the following?

Accepted Answer

A) the unique contribution of each predictor 
B) the practical costs of adding new predictors 
C) the relationship between predictors and the criterion variable 
D) the length of the dialog box 
A) the unique contribution of each predictor 
B) the practical costs of adding new predictors 
C) the relationship between predictors and the criterion variable 
D) the length of the dialog box

Which of the following symbols is associated with the independent variable in the regression equation?

Which of the following symbols is associated with the slope in the regression equation?

In a scatter plot,if all data points were aligned along a 44° angle,the correlation would be ______.

The standard error of estimate informs you of the average error along the line of regression.

Using the regression formula with a slope = 0.704 and an intercept = 0.719,what would the predicted college GPA be for a student whose current high school GPA = 2.2?

What is linear regression?

Using the regression formula with a slope = 2,000 and an intercept = 15,000,what would the predicted income be for someone who has 25 years of education?

Using the regression formula with a slope = 2,000 and an intercept = 15,000,what would the predicted income be for someone who has 35 years of education?

In multiple regression,added variables must be related to the outcome variable but ______.

If the absolute value of the correlation is very close to 0,the error in prediction will be ______.

How is the Y′ symbol interpreted?

What important guideline should you keep in mind when choosing independent variables for multiple regression?

Using the regression formula with a slope = 0.904 and an intercept = 0.719,what would the predicted college GPA be for a student whose current high school GPA = 3.2?

Which of the following symbols is associated with the predicted score in the regression equation?

If you are trying to predict Y scores from X scores,X is referred to as the ______.

To predict one variable from another,you must first ______.

When using two predictor variables,these variables should be ______.

Which of the following determines the direction of the regression line?

If the absolute value of your correlation is 0.1 your error in prediction will be ______.

The guidelines for determining the number of predictor variables to use to predict a criterion variable include all but which of the following?

Statistics or Sadistics Its up to You

Means to an End: Computing and Understanding Averages

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two: Tests Between the Means of Different Groups

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters

Exam 16: Using Linear Regression: Predicting Wholl Win the Super Bowl

Which of the following symbols is associated with the independent variable in the regression equation?

Which of the following symbols is associated with the slope in the regression equation?

In a scatter plot,if all data points were aligned along a 44° angle,the correlation would be ______.

The standard error of estimate informs you of the average error along the line of regression.

Using the regression formula with a slope = 0.704 and an intercept = 0.719,what would the predicted college GPA be for a student whose current high school GPA = 2.2?

What is linear regression?

Using the regression formula with a slope = 2,000 and an intercept = 15,000,what would the predicted income be for someone who has 25 years of education?

Using the regression formula with a slope = 2,000 and an intercept = 15,000,what would the predicted income be for someone who has 35 years of education?

In multiple regression,added variables must be related to the outcome variable but ______.

If the absolute value of the correlation is very close to 0,the error in prediction will be ______.

How is the Y′ symbol interpreted?

What important guideline should you keep in mind when choosing independent variables for multiple regression?

Using the regression formula with a slope = 0.904 and an intercept = 0.719,what would the predicted college GPA be for a student whose current high school GPA = 3.2?

Which of the following symbols is associated with the predicted score in the regression equation?

If you are trying to predict Y scores from X scores,X is referred to as the ______.

To predict one variable from another,you must first ______.

When using two predictor variables,these variables should be ______.

Which of the following determines the direction of the regression line?

If the absolute value of your correlation is 0.1 your error in prediction will be ______.

The guidelines for determining the number of predictor variables to use to predict a criterion variable include all but which of the following?

Statistics or Sadistics Its up to You

Means to an End: Computing and Understanding Averages

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two: Tests Between the Means of Different Groups

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters