Exhibit 12-3 Regression Analysis Was Applied Between Sales Data (In $1,000s) and $1,000s)

question 20

Multiple Choice

Exhibit 12-3
Regression analysis was applied between sales data (in $1,000s) and advertising data (in $100s) and the following information was obtained.

-Refer to Exhibit 12-3. Based on the above estimated regression equation, if advertising is $3,000, then the point estimate for sales (in dollars) is

• A)$66,000
• B)$5,412
• C)$66
• D)$17,400

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Definitions:

Boron

A chemical element with symbol B and atomic number 5, used in making glass, detergents, and semiconductors.

Isotope

Different versions of a specific chemical element, characterized by varying counts of neutrons, thus altering their total nucleon count.

Iron

A strong, hard magnetic silvery-gray metal, extensively used in construction and manufacturing, especially as a component of steel.

Isotopes

Atoms of the same element that have the same number of protons but different numbers of neutrons in their nuclei, resulting in different mass numbers.