Instruction 14-9
the President of a Chain of Department Stores

question 121

Short Answer

Instruction 14-9
The president of a chain of department stores believes that her stores' total sales have been showing a linear trend since 1980. She uses Microsoft Excel to obtain the partial output below. The dependent variable is sales (in millions of dollars), while the independent variable is coded years, where 1990 is coded as 0, 1991 is coded as 1, etc.
$$\begin{array}{l}\text { SUMMAROUIPUT }\\\begin{array} { l l } \text { Regression Statistics } & \\\text { MultipleR } & 0.604 \\\text { R Square } & 0.365 \\\text { Adjusted R Square } & 0.316 \\\text { standard Error } & 4.800 \\\text { Observations } & 17 \\& \\& \text { Coefílients } \\\text { Intercept } & 31.2 \\\text { Coded Year } & 0.78\end{array}\end{array}$$
-Referring to Instruction 14-9,the fitted trend value (in millions of dollars)for 1990 is_______.

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Definitions:

Population Growth

is the increase in the number of individuals in a population, often measured by a specific threshold or period, and influenced by factors such as birth rates, mortality rates, and migration patterns.

Smallpox Epidemic

The smallpox epidemic refers to several outbreaks of the smallpox virus throughout history, which had devastating impacts on populations around the globe.

Cultural Diffusion

The spread of cultural elements such as beliefs, practices, and technologies from one society or cultural group to another.

Cultural Group

A collection of people who share common cultural characteristics, such as language, values, customs, and traditions.