A Regression Analysis Between Sales (Y)and Advertising (X)(both in Dollars)resulted

question 19

Multiple Choice

A regression analysis between sales (Y) and advertising (X) (both in dollars) resulted in the following equation: = 100 + 2000X The above equation implies that an

• A)increase of $1 in advertising is correlated with an increase of $2,000 in sales.
• B)increase of $1 in advertising is correlated with an increase of $2 in sales.
• C)increase of $1 in advertising is correlated with an increase of $100 in sales.
• D)increase of $1 in advertising is correlated with an increase of $2100 in sales.

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Definitions:

Immune System

A complex system of cells, tissues, and organs that defends the body against pathogens and maintains overall health.

Antibodies

Proteins produced by the immune system to identify and neutralize foreign substances like bacteria and viruses.

Hormones

Chemical messengers produced by glands in the body, which regulate the activity of cells or organs.

Teratogens

Agents or factors that can cause congenital abnormalities or malformations in an embryo or fetus when a mother is exposed during pregnancy.