Regression Analysis Was Applied Between Sales Data (Y in $1000s)

question 43

Multiple Choice

Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained. ​ = 12 + 1.8x
​
N = 17
SSR = 225
SSE = 75
Sb₁ = .2683
​
To perform an F test, the p-value is

• A) less than .01.
• B) between .01 and .025.
• C) between .025 and .05.
• D) greater than .10.

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Definitions:

Spiral

A curve that winds around a fixed center point at a continuously increasing or decreasing distance from the point.

Spirogyra

A genus of filamentous green algae known for its spiral chloroplasts and its role in freshwater ecosystems.

Agar

Agar is a gelatinous substance derived from red algae that is used as a growth medium in microbiological work, as well as a thickener in food products.

Red Algae

Marine photosynthetic protists with a notable abundance of phycobilin pigments; includes coralline algae of coral reefs.