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Chapter 3: Q.1.3 (page 167)

Predict the rat’s weight after16 weeks. Show your work

Short Answer

Expert verified

The rat's weight after 16 weeks =740 grams

Step by step solution

01

Given Information

The linear regression equation weight =100+40

We need to find the weight of rat after 16 weeks.

02

Explanation

As a 16-week rat, its predicted weight would be 740grams. The scatterplot shows residual cortical deviations from the line in multiple instances, and no line will pass through all points exactly.

As little vertical distance from the regression line as possible should be observed for the best regression line.

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