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Sectiosr II Sarnple Examination Two 51 4. A survey was conducted recently in ten large American cities to there is any relationship between average weekday hotel rates and rates. The <strong>fo</strong>llowine data was collected. Daily Hotel Rate (x) (in dollars) 149 187 17l r22 lt) 147 128 2r2 168 181 (a) Construct a scatternlot <strong>fo</strong>r this data. (b) Use the scatterplot to determine if there variables. Daily Car Rental Rate (y) (in dollars) 49 50 52 49 39 44 aa JI OJ 40 5l determine whether average car rental is a linear relationshio between the tu'o copying or reusing any part of this page is illegal
52 Sample Examination Two Section II (c) If there is a linear relationship, numerically describe the strength of this relationship and construct a least squares regression model. (d) Find tlie residual associated with the point (168, 46). (e) What percent of the variation in car rental rates is explained by the regression of yonx? ol any Part of thls page ls lllegal.
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