1. Construct a scatterplot of (Spaces from Go, and property Cost). 2. Describe the association between the two variables? (Direction, form, strength, context). 3. What is the regression equation? Write both as ŷ = a + bx and with the contextual variable names. 4. Compute the value of the centroid (x,y) and label it on the plot. 5. Show how the regression line goes through the centroid. (Plug into the equation.) 6. Find and interpret the meaning of the slope of the regression line in the context of the problem 7. Find and interpret the y-intercept of the regression line in the context of the problem. 8. Calculate the value of the residual for Waterworks (Space 28). Show your work. 9. What is the value of the correlation coefficient? Give two reasons why this numerical value makes sense.
1. Construct a scatterplot of (Spaces from Go, and property Cost). 2. Describe the association between the two variables? (Direction, form, strength, context). 3. What is the regression equation? Write both as ŷ = a + bx and with the contextual variable names. 4. Compute the value of the centroid (x,y) and label it on the plot. 5. Show how the regression line goes through the centroid. (Plug into the equation.) 6. Find and interpret the meaning of the slope of the regression line in the context of the problem 7. Find and interpret the y-intercept of the regression line in the context of the problem. 8. Calculate the value of the residual for Waterworks (Space 28). Show your work. 9. What is the value of the correlation coefficient? Give two reasons why this numerical value makes sense.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.CR: Chapter 4 Review
Problem 88CR
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VIEWStep 2: Construct a scatterplot and describe the association between the two variables
VIEWStep 3: Find the regression equation, the value of the centroid and label it on the plot
VIEWStep 4: Find and interpret the meaning of the slope and the intercept of the regression line
VIEWStep 5: Find the value of the correlation coefficient
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