Write the Best-Fit Linear Model for the Data A) $y = - 26.4 - 1.42 x$

question 58

Multiple Choice

Write the best-fit linear model for the data.
-The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands) . Find a linear function that approximates the number of products sold as a function of the cost of advertising. $\begin{array}{c|rrrrrrrr}\text { Cost } & 9 & 2 & 3 & 4 & 2 & 5 & 9 & 10 \\\hline \text { Number } & 85 & 52 & 55 & 68 & 67 & 86 & 83 & 73\end{array}$

• A) \(y = - 26.4 - 1.42 x\)
• B) \(y = 26.4 + 1.42 x\)
• C) \(y = 55.8 - 2.79 x\)
• D) \(y = 55.8 + 2.79 x\)

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values.

Budget Line

A graphical representation showing the combination of goods a consumer can purchase with a given income, based on the prices of those goods.

Expected Rate

Typically refers to the anticipated return or performance of an investment over a specific period.

Risk-Free Asset

An investment with a certain return and virtually no risk of financial loss.