B. Do you observe a relationship between both variables? (Refer to Interpret a Regression Equation LO 12-2). Yes C. Use Excel to fit a linear trend line to the data. What is the fitted regression model? (Refer to Fitting a Regression on a Scatter Plot LO 12-3). D. What is the slope? What does the slope tell us? Is the slope significant? (Refer to LO 12-2). E. What is the intercept? Is it meaningful? F. What is the value of the regression correlation coefficient, r? What does r tell us? (Refer to Correlation Coefficient
B. Do you observe a relationship between both variables? (Refer to Interpret a Regression Equation LO 12-2). Yes
C. Use Excel to fit a linear trend line to the data. What is the fitted regression model? (Refer to Fitting a Regression on a
D. What is the slope? What does the slope tell us? Is the slope significant? (Refer to LO 12-2).
E. What is the intercept? Is it meaningful?
F. What is the value of the regression
G. What is the value of the coefficient of determination, R2? What does R2 tell us about explained variation in y? (Refer to Coefficient of Determination LO 12-4).
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7000.00
y = 3.957x - 226.62
R = 0.9411
6000.00
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0.00
0.00
200.00 400.00 600.00 800.00 1000.001200.001400.001600.001800.00
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