Exam 14: Simple Linear Regression

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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. ​ 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 Sb<sub>1</sub> = .2683 The F statistic computed from the above data is = 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. ​ 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 = 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? 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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In simple linear regression, r 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 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. ​ 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 = 120 - 10x ​ Based on the above estimated regression equation, if price is increased by 3units, then demand is expected to

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In regression analysis, the independent variable is

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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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?Which of the following is correct?

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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. ​ 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 = 50 + 8x ​ Based on the above estimated regression line, if advertising is $1000, then the point estimate for sales (in dollars) is

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

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