A Multiple Regression Analysis Revealed the Following Equation Relating the Time

question 59

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 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

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Definitions:

Meso Diol

A type of diol (a compound with two hydroxyl groups) that has chirality centers but is still optically inactive due to internal symmetry.

Cold KMnO

Potassium permanganate used in cold conditions, often in solution, for mild oxidizing reactions.

mCPBA

Meta-chloroperoxybenzoic acid, a reagent used in organic chemistry for the oxidation of alkenes to epoxides and the oxidation of ketones to esters.

DMD

Duchenne Muscular Dystrophy, a genetic disorder characterized by progressive muscle degeneration and weakness.