The Following Data, Compiled by the Admissions Office at Faber

question 192

Multiple Choice

The following data, compiled by the admissions office at Faber College during the past 5 years, relate the number of college brochures and follow-up letters (x) sent to a preselected list of high school juniors who had taken the PSAT and the number of completed applications (y) received from these students (both measured in units of 1,000) . Determine the equation of the least-squares line for these data. Use the result obtained to predict the number of completed applications that might be expected if 6,400 brochures and follow-up letters are sent out during the next year.

• A) y = 0.33x - 1; 1,324 applications
• B) y = 0.33x - 1; 1,301 applications
• C) y = 0.34x - 0.9; 1,276 applications
• D) y = 0.34x - 0.9; 1,310 applications

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Definitions:

Hydrophobic

Describing molecules or substances that do not mix with or repel water.

Saturated Fat

A type of fat molecule that contains no double bonds between carbon atoms, typically solid at room temperature and found in animal products and some plant oils.

Food Item

An individual substance that is consumed as nourishment or part of a meal.

Butter

A dairy product made from churning milk or cream, separating the solid fats from the liquid buttermilk, and used as a spread or in cooking.