Chapter 12.1, Problem 6E

To determine

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.