Concept explainers
To Explain: that whether the state for performing inference about the regression model are met or not.

Answer to Problem 6E
Conditions have been met.
Explanation of Solution
Given:
There are conditions for the regression inferences are normal, equal standard deviation, random, independent and linear.
Normal: satisfied, the reason is that the samples of 16 young perches were less than 10 percent of all the young perches.
Equal standard deviation: satisfied, the reason is that the vertical spread of points in the residual figure is approximately the same everywhere.
Random: satisfied, the reason is that the subject were arbitrary assigned to a pen.
Independent: satisfied, because the sample of sixteen young perches is less than 10 percent of all the young perches.
Linear: satisfied, because of there is no enough strong curvature percent is the residual figure.
Therefore all states or conditions have been satisfied.
Chapter 12 Solutions
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