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

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Question 1

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

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

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Question 2

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

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

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Question 3

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

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

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

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 determines the direction of the regression line?

How is the Y′ symbol interpreted?

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

What is linear regression?

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

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

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

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?

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?

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

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

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

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

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?