Use Computer Software to Obtain the Multiple Regression Equation and Identify

question 159

Multiple Choice

Use computer software to obtain the multiple regression equation and identify R $$\mathrm { R } ^ { 2 }$$ , adjusted R $$\mathrm { R } ^ { 2 }$$ , 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. $$\begin{array} { | c c c c | } \hline \text { WEIGHT } & \text { CHEST } & \text { LENGTH } & \text { SEX } \\\hline 344 & 45.0 & 67.5 & 1 \\416 & 54.0 & 72.0 & 1 \\220 & 41.0 & 70.0 & 2 \\360 & 49.0 & 68.5 & 1 \\332 & 44.0 & 73.0 & 1 \\140 & 32.0 & 63.0 & 2 \\436 & 48.0 & 72.0 & 1 \\132 & 33.0 & 61.0 & 2 \\356 & 48.0 & 64.0 & 2 \\150 & 35.0 & 59.0 & 1 \\202 & 40.0 & 63.0 & 2 \\365 & 50.0 & 70.5 & 1 \\\hline\end{array}$$

• A) 0.971, 0.723, 0.000
• B) 0.891, 0.926, 0.003
• C) 0.725, 0.961, 0.014
• D) 0.927, 0.900, 0.000

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Definitions:

Inventory Purchases

Refers to the acquisition of goods and materials a company intends to sell or use in production, forming part of its inventory.

Cost of Goods Sold

The direct expenses linked to the creation of products sold by a business.

Ending Inventory

The total value of goods available for sale at the end of an accounting period.

Inventory Increase

This refers to a situation where the quantity or value of inventory items held by a company grows from one accounting period to another.