A multiple regression analysis revealed the following equation relating the time (in hours) it takes to complete a puzzle based on the number and size of pieces: Ŷ = 1.5 + 0.014 (X_{number of pieces}) - 1.2 (Y_{size of pie}_ces).If a puzzle has 1000 pieces, with a size value of 0.5 inches, how long will it take to complete? A) 6.3 hours B) 7.9 hours C) 11.9 hours D) 14.9 hours

Question

Quizplus · Accepted Answer

Plugging the values into the equation gives: Ŷ = 1.5 + 0.014(1000) - 1.2(0.5) = 1.5 + 14 - 0.6 = 14.9 hours.

A Multiple Regression Analysis Revealed the Following Equation Relating the Time