Consider the following pairs of measurements a Construct a scatterplot of these data b What does the scatterplot suggest about the relationship between x and y c Given that SSxx 43 4286, SSxy 39 8571, y Igrave 3 4286, and x Igrave 3 7143, calculate the least squares estimates of Icirc sup2 0 and Icirc sup2 1 d Plot the least squares line on your scatterplot Does the line appear to fit the data well Explain e Interpret the y intercept and slope of the least squares line Over what range of x are these interpretations meaningful 2 1 en en en

Question: Consider the following pairs of measurements. a. Construct a scatterplot of these data. b. What does the scatterplot suggest about the relationship between x and

Consider the following pairs of measurements.

a. Construct a scatterplot of these data.
b. What does the scatterplot suggest about the relationship between x and y?
c. Given that SSxx = 43.4286, SSxy = 39.8571, yÌ… = 3.4286, and xÌ… = 3.7143, calculate the least squares estimates of Î²0 and Î²1.
d. Plot the least squares line on your scatterplot. Does the line appear to fit the data well? Explain.
e. Interpret the y-intercept and slope of the least squares line. Over what range of x are these interpretations meaningful?

2 -1 + en en en

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