TABLE 16-6 The President of a Chain of Department Stores Believes That

question 45

Short Answer

TABLE 16-6
The president of a chain of department stores believes that her stores' total sales have been showing a linear trend since 1990. 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.
SUMMARY OUTPUT
Regression Statistics
Multiple R 0.604
R Square 0.365
Adjusted R Square 0.316
Standard Error 4.800
Observations 17
Coefficients
Intercept 31.2
Coded Year 0.78
-Referring to Table 16-6, the estimate of the amount by which sales (in millions of dollars) is increasing each year is ________.

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Definitions:

Homeostasis

The self-regulating process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.

Thermostat

A device used for regulating the temperature of a system so that the system's temperature is maintained near a desired set-point.

Cooler

A term that can refer to a device or container used to keep things cool, particularly food and drinks, by using ice or other refrigerants.

Thermometer

A device used to measure temperature, often utilizing mercury or digital sensors.