A Local Tire Dealer Wants to Predict the Number of Tires

question 141

Multiple Choice

A local tire dealer wants to predict the number of tires sold each month.He believes that the number of tires sold is a linear function of the amount of money invested in advertising.He randomly selects 6 months of data consisting of tire sales (in thousands of tires) and advertising expenditures (in thousands of dollars) .Based on the data set with 6 observations,the simple linear regression model yielded the following results. = 24 = 124 = 42 = 338 = 196 Find the estimated slope.

• A)1.58
• B)1.00
• C)1.72
• D)2.95

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Definitions:

Abyssal Plain

A relatively flat, smooth region of the deep ocean floor.

Divergent Boundary

A tectonic boundary where two tectonic plates move away from each other, often creating new crust as magma rises to the surface.

Convergent Boundary

A tectonic plate boundary where two plates move toward each other, often causing one plate to dive beneath the other, leading to mountain formation or volcanic activity.

Active Continental Rift

A region where a continent is actively being stretched and thinned, often leading to the formation of new crust and the potential for volcanic activity.