Diet affects weight gain. We wish to compare nine diets; these diets are the factor-level combinations of protein source (beef, pork, and grain) and number of calories (low, medium, and high). There are eighteen test animals that were randomly assigned to the nine diets, two animals per diet. The mean responses (weight gain) are:

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Diet affects weight gain. We wish to compare nine diets; these diets are
the factor-level combinations of protein source (beef, pork, and grain) and
number of calories (low, medium, and high). There are eighteen test animals
that were randomly assigned to the nine diets, two animals per diet. The
mean responses (weight gain) are:
Exercise 8.1
198
Factorial Treatment Structure
Calories
Low
Medium
High
一「言
Beef
76.0
83.3
101.8
98.2
86.2
86.8
Source Pork
89.5
Grain
83.8
83.5
The mean square for error was 8.75. Analyze these data to determine an
appropriate model.
Transcribed Image Text:Diet affects weight gain. We wish to compare nine diets; these diets are the factor-level combinations of protein source (beef, pork, and grain) and number of calories (low, medium, and high). There are eighteen test animals that were randomly assigned to the nine diets, two animals per diet. The mean responses (weight gain) are: Exercise 8.1 198 Factorial Treatment Structure Calories Low Medium High 一「言 Beef 76.0 83.3 101.8 98.2 86.2 86.8 Source Pork 89.5 Grain 83.8 83.5 The mean square for error was 8.75. Analyze these data to determine an appropriate model.
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