Question 1

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 D

Question 2

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 3

What is the standard error of estimate? What does it allow us to examine?

Accepted Answer

The standard error of estimate is like a standard deviation of all the error scores. This value tells us how much imprecision there is in our estimate or how much error we have made in our prediction.

Question 4

Write the equation for linear regression. What do the symbols represent?

Accepted Answer

Y' = bX + a,
Y'is the predicted score of

Question 5

Which of the following is used to illustrate the "best guess" as to the predicted Y variable score based on X?

Accepted Answer

A)  Regression equation 
B)  Scatterplot 
C)  Standard error of the estimate 
D)  Regression line 
A)  Regression equation 
B)  Scatterplot 
C)  Standard error of the estimate 
D)  Regression line

Question 6

Explain what the regression line represents by naming three things that it allows us to examine.

Accepted Answer

The regression line reflects our best gu

Question 7

What is the distance between each data point and the regression line called?

Accepted Answer

A)  Error of estimate 
B)  Standard error of estimate 
C)  Standard deviation 
D)  Standardized error 
A)  Error of estimate 
B)  Standard error of estimate 
C)  Standard deviation 
D)  Standardized error

Question 8

What must be done to categorical variables in order to use them in a regression analysis?

Accepted Answer

A)  Nothing 
B)  Dummy coding 
C)  Problem coding 
D)  Categorical coding 
A)  Nothing 
B)  Dummy coding 
C)  Problem coding 
D)  Categorical coding

Question 9

Using the regression formula with slope = .704 and intercept = .719, what would the predicted college GPA be for a student whose current high school GPA = 3.2?

Accepted Answer

A)  2.97 
B)  2.69 
C)  3.00 
D)  3.20 
A)  2.97 
B)  2.69 
C)  3.00 
D)  3.20

Question 10

What must be used to examine an outcome that is predicted from two independent variables?

Accepted Answer

To examine an outcome that is

Question 11

A positive trend line is associated with what type of slope?

Accepted Answer

A)  Negative slope 
B)  Direct slope 
C)  Positive slope 
D)  Nondirectional slope 
A)  Negative slope 
B)  Direct slope 
C)  Positive slope 
D)  Nondirectional slope

Question 12

Which of the following is the correct formula for linear regression?

Accepted Answer

A)  X? = aY + b 
B)  Y? = aX + b 
C)  Y? = bX + a 
D)  X? = bY + a 
A)  X? = aY + b 
B)  Y? = aX + b 
C)  Y? = bX + a 
D)  X? = bY + a

Question 13

How is the symbol Y? interpreted?

Accepted Answer

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

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

How would you represent the predicted score of Y based on a known value of X?

Accepted Answer

A)  Y 
B)  y-intercept 
C)  Y? 
D)  Y = Xa 
A)  Y 
B)  y-intercept 
C)  Y? 
D)  Y = Xa

Question 16

When using multiple predictor variables in regression, what are the "big rules" one must follow?

Accepted Answer

When using multiple predictors, keep in

Question 17

In regression, what is the criterion variable also known as?

Accepted Answer

A)  Independent variable 
B)  Dependent variable 
C)  Predictor variable 
D)  Correlated variable 
A)  Independent variable 
B)  Dependent variable 
C)  Predictor variable 
D)  Correlated variable

Question 18

Which of the following is like a standard deviation for all error scores in regression?

Accepted Answer

A)  Error of the estimate 
B)  Error standard deviation 
C)  Standard error of estimate 
D)  Precision of error 
A)  Error of the estimate 
B)  Error standard deviation 
C)  Standard error of estimate 
D)  Precision of error

Question 19

In order to use two predictor variables, what must be the case concerning the variables?

Accepted Answer

In order to use two

Question 20

What is another name for a regression line?

Accepted Answer

A)  Line of best fit 
B)  Scatterplot line 
C)  Line graph 
D)  Line of the estimate 
A)  Line of best fit 
B)  Scatterplot line 
C)  Line graph 
D)  Line of the estimate

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

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

What is the standard error of estimate? What does it allow us to examine?

Write the equation for linear regression. What do the symbols represent?

Which of the following is used to illustrate the "best guess" as to the predicted Y variable score based on X?

Explain what the regression line represents by naming three things that it allows us to examine.

What is the distance between each data point and the regression line called?

What must be done to categorical variables in order to use them in a regression analysis?

Using the regression formula with slope = .704 and intercept = .719, what would the predicted college GPA be for a student whose current high school GPA = 3.2?

What must be used to examine an outcome that is predicted from two independent variables?

A positive trend line is associated with what type of slope?

Which of the following is the correct formula for linear regression?

How is the symbol Y? interpreted?

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

How would you represent the predicted score of Y based on a known value of X?

When using multiple predictor variables in regression, what are the "big rules" one must follow?

In regression, what is the criterion variable also known as?

Which of the following is like a standard deviation for all error scores in regression?

In order to use two predictor variables, what must be the case concerning the variables?

What is another name for a regression line?

Statistics or Sadistics? It’s Up to You

Means to an End: Computing and Understanding Averages

Vive La Différence: Understanding Variability

A Picture Really Is Worth a Thousand Words

Ice Cream and Crime: Computing Correlation Coefficients

Just the Truth: An Introduction to Understanding Reliability and Validity

Hypotheticals and You: Testing Your Questions

Are Your Curves Normal? Probability and Why It Counts

Significantly Significant: What It Means for You and Me

Only the Lonely

t(ea) for Two (Again): Tests Between the Means of Related Groups

t(ea) for Two (Again): Tests Between the Means of Related Groups

Two Groups Too Many? Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variance

Cousins or Just Good Friends? Testing Relationships Using the Correlation Coefficient

What to Do When You’re Not Normal: Chi-Square and Some Other Nonparametric Tests

Some Other (Important) Statistical Procedures You Should Know About

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Exam 16: Predicting Who’ll Win the Super Bowl: Using Linear Regression

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

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

What is the standard error of estimate? What does it allow us to examine?

Write the equation for linear regression. What do the symbols represent?

Which of the following is used to illustrate the "best guess" as to the predicted Y variable score based on X?

Explain what the regression line represents by naming three things that it allows us to examine.

What is the distance between each data point and the regression line called?

What must be done to categorical variables in order to use them in a regression analysis?

Using the regression formula with slope = .704 and intercept = .719, what would the predicted college GPA be for a student whose current high school GPA = 3.2?

What must be used to examine an outcome that is predicted from two independent variables?

A positive trend line is associated with what type of slope?

Which of the following is the correct formula for linear regression?

How is the symbol Y? interpreted?

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

How would you represent the predicted score of Y based on a known value of X?

When using multiple predictor variables in regression, what are the "big rules" one must follow?

In regression, what is the criterion variable also known as?

Which of the following is like a standard deviation for all error scores in regression?

In order to use two predictor variables, what must be the case concerning the variables?

What is another name for a regression line?

Statistics or Sadistics? It’s Up to You

Means to an End: Computing and Understanding Averages

Vive La Différence: Understanding Variability

A Picture Really Is Worth a Thousand Words

Ice Cream and Crime: Computing Correlation Coefficients

Just the Truth: An Introduction to Understanding Reliability and Validity

Hypotheticals and You: Testing Your Questions

Are Your Curves Normal? Probability and Why It Counts

Significantly Significant: What It Means for You and Me

Only the Lonely

t(ea) for Two (Again): Tests Between the Means of Related Groups

t(ea) for Two (Again): Tests Between the Means of Related Groups

Two Groups Too Many? Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variance

Cousins or Just Good Friends? Testing Relationships Using the Correlation Coefficient

What to Do When You’re Not Normal: Chi-Square and Some Other Nonparametric Tests

Some Other (Important) Statistical Procedures You Should Know About

Filters