A Multiple Regression Analysis Revealed the Following Equation Relating the Time

question 91

Multiple Choice

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 pieces}) .If a puzzle has 500 pieces, with a size value of 0.5 inches, how long will it take to complete?

• A) 6.3 hours
• B) 7.1 hours
• C) 7.9 hours
• D) 9.3 hours

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