The Monthly Sales S for a Product Is Given by

question 15

Multiple Choice

The monthly sales S for a product is given by , where x is the number of months that have passed since the end of a promotional campaign. How many months after the end of the campaign will sales drop below 6,000, if no new campaign is initiated? Round to two decimal places. ​

• A) 2.65 months
• B) 4.32 months
• C) 5.12 months
• D) 6.16 months
• E) 7.36 months

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Definitions:

Main Effects

The direct impact of an independent variable on a dependent variable in an experimental design.

Factorial ANOVA

A statistical test used to determine the effect of two or more independent variables on a dependent variable, allowing interaction effects to be assessed.

Independent Variables

Variables in an experiment or model that are manipulated or changed to observe their effects on dependent variables.

Interaction Effects

The influence that the combination of two or more independent variables has on a dependent variable, beyond their individual effects.