1975 4113 Square Footage Selling Price 2204 3183 1128 3101 2769 379.9 375 189.9 338 619.9 370 627.7 in Thousands a. What is the explanatory variable? b. We calculate that r = 0.8617. Briefly describe how to interpret that value for this particular information. C. We also know that ĩ = 2639,ỹ = 414.34, sỵ = 967.14, s, = 157.42. Find the least squares regression line.

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