Salai( × Citize X Quest Covar X elinst 1399895/quizzes/2018371/take/questions/45

Question

Salai( × Citize X Quest Covar X elinst 1399895/quizzes/2018371/take/questions/45580917 A regression analysis was done on 81 different SUV vehicles. The variables analyzed Included are the average gas mileage in miles per gallon (Average MPG) and the engine size in liters (Engine Size). The average miles per gallon is a weighted average of city and highway driving to reflect a 40/60 percent split The estimated regression equation is: Average MPG-27.654 2.114"Engine Size R-squared 4615 Based on this result, the correlation between Average MPG and Engine Size is 4615 Cannot be determined from the data given SQRTL461S) -1. since the relationship between Average MPG and Engine size is negative SQRTI4615) -1 since the relationship between Average MPG and Engine size is positive ch at

Explanation / Answer

here from least square line slope is negative therefore relationship should be negative ; correct option is

sqrt(0.4615)*-1 ; since the relationship between Average MPG and Engine size is negative,

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