Exam 14: Simple Linear Regression
Exam 1: Data and Statistics84 Questions
Exam 2: Descriptive Statistics: Tabular and Graphical Displays67 Questions
Exam 3: Descriptive Statistics: Numerical Measures127 Questions
Exam 4: Introduction to Probability99 Questions
Exam 5: Discrete Probability Distributions86 Questions
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Exam 14: Simple Linear Regression131 Questions
Exam 15: Multiple Regression103 Questions
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Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained.
= 12 + 1.8x
N = 17
SSR = 225
SSE = 75
Sb1 = .2683
The F statistic computed from the above data is

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If all the points of a scatter diagram lie on the least squares regression line, then the coefficient of determination for these variables based on these data
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Regression analysis was applied between sales (in $1000) and advertising (in $100) and the following regression function was obtained.
= 500 + 4x
Based on the above estimated regression line, if advertising is $10,000, then the point estimate for sales (in dollars) is

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In regression and correlation analysis, if SSE and SST are known, then with this information the
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In a regression analysis, the standard error of the estimate is determined to be 4.In this situation, the MSE
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In regression analysis, the error term ε is a random variable with a mean or expected value of
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In a regression analysis, if SST = 4500 and SSR = 2925, then the coefficient of determination is
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Given the following information, what is the least squares estimate of the y-intercept? 

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In regression analysis, the variable that is being predicted is the
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Larger values of r2 imply that the observations are more closely grouped about the
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Given the following information, when testing the least squares regression model would give an F Statistic of 

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In a regression analysis, if SSE = 600 and SSR = 300, then the coefficient of determination is
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Regression analysis was applied between demand for a product (y) and the price of the product (x), and the following estimated regression equation was obtained.
= 120 - 10x
Based on the above estimated regression equation, if price is increased by 3units, then demand is expected to

(Multiple Choice)
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If the coefficient of determination is .95, the percentage of variation in the dependent variable explained by the variation in the independent variable is
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The mathematical equation relating the independent variable to the expected value of the dependent variable; that is, E(y) = β0 + β1x, is known as the
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Regression analysis was applied between sales (in $10,000) and advertising (in $100) and the following regression function was obtained.
= 50 + 8x
Based on the above estimated regression line, if advertising is $1000, then the point estimate for sales (in dollars) is

(Multiple Choice)
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If a data set produces SSR = 300 and SSE = 200, then the coefficient of determination is
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