Interaction
a. What is an interaction between two factors?
b. In general, when using two-way analysis of variance, if we find that there is an interaction effect, how does that affect the procedure?
c. Shown below is an interaction graph constructed from the data in Exercise 1. What does the graph suggest?
1. Two-Way ANOVA The pulse rates in Table 12-3 from Example 1 are reproduced below with fabricated data (in red) used for the pulse rates of females aged 30-49. What characteristic of the data suggests that the appropriate method of analysis is two-way analysis of variance? That is, what is “two-way” about the data entered in this table?
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- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning