Use Computer Software to Obtain the Regression and Identify R²

question 89

Multiple Choice

Use computer software to obtain the regression and identify R², adjusted R², and the P-value
-A wildlife analyst gathered the data in the table to develop an equation to predict the weights of bears. He used WEIGHT as the dependent variable and CHEST, LENGTH, and SEX as the independent variables. For SEX, he used male=1 and female=2. $\begin{array}{cccc}\hline\text { WEIGHT } & \text { CHEST } & \text { LENGTH } & \text { SEX } \\\hline 344 & 45.0 & 67.5 & 1 \\416 & 54.0 & 72.0 & 1 \\220 & 41.0 & 70.0 & 2 \\360 & 49.0 & 68.5 & 1 \\332 & 44.0 & 73.0 & 1 \\140 & 32.0 & 63.0 & 2 \\436 & 48.0 & 72.0 & 1 \\132 & 33.0 & 61.0 & 2 \\356 & 48.0 & 64.0 & 2 \\150 & 35.0 & 59.0 & 1 \\202 & 40.0 & 63.0 & 2 \\365 & 50.0 & 70.5 & 1\\\hline\end{array}$

• A) \( 7725, .961, .014 \)
• B) \( .927, .900, .000 \)
• C) \( .891, .926, .003 \)
• D) \( .971, .723, .000 \)

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Definitions:

Disposable Income

Spendable and savable funds available to households after the deduction of income taxes.

Consumption

The act of using goods and services to satisfy needs and desires, often considered a primary component of an economy's activity.

Disposable Income

The funds left for households to manage spending and saving after income tax calculations.

Consumption

The part of personal income that is spent on goods and services rather than saved, influencing economic activity and demand.