A Supermarket Chain Gathers Data on the Amount They Spend

question 16

Multiple Choice

A supermarket chain gathers data on the amount they spend on promotional material (specials, coupons, etc.) and sales revenue generated each quarter. The predictor variable is

• A) sales revenue
• B) amount spent on promotional material
• C) number of coupons offered
• D) supermarket chains
• E) not possible to be determined

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Definitions:

Ethylene Glycol

A toxic, colorless liquid with the formula C2H6O2, used primarily as an antifreeze in cooling and heating systems.

Polar Molecules

Molecules with a distribution of charge leading to one part being slightly positive and another part being slightly negative.

Aqueous Solution

A solution in which water is the solvent.

Ionic Compounds

Chemical compounds composed of ions held together by electrostatic forces termed ionic bonding.