DeShon Has Just Become the New Marketing Analyst for a Company

question 32

Multiple Choice

DeShon has just become the new marketing analyst for a company that produces vinyl siding for homes. In an effort to forecast his firm's sales for the coming year, he needs to find where the greatest opportunities are for selling his product. DeShon looks at the sales for the last five years and calculates a growth trend. He then collects data from a combination of other factors, such as population density, family size, home ownership, and per capita income. Finally, DeShon looks at the correlation between the sales trend data and the various combination of demographic data. DeShon is employing the ____ forecasting method for the sales growth trend and the ________ method for the correlation.

• A) Time series analysis; regression analysis
• B) Executive judgment; regression analysis
• C) Market tests; regression analysis
• D) Regression analysis; time series analysis
• E) Market tests; time series analysis

---

Definitions:

Degrees of Freedom

The number of independent values in a statistical calculation that are free to vary.

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect, serving as the starting point for testing.

Significance Level

A threshold in hypothesis testing that determines whether a result is statistically significant; often denoted by alpha (α).

Partitioning

The process of allocating the total sum of squares and degrees of freedom to the various components.