Female Male 64 72 64 64 70 72 64 54 52 90 58 74 96 72 58 66 80 92 54 102 52 52 62 82 82 60 52 74 18-29 78 104 82 80 78 80 84 82 66 70 46 54 76 66 78 68 62 52 60 94 72 82 86 72 90 64 72 72 100 72 60 80...

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?

Extracted text: Female Male 64 72 64 64 70 72 64 54 52 90 58 74 96 72 58 66 80 92 54 102 52 52 62 82 82 60 52 74 18-29 78 104 82 80 78 80 84 82 66 70 46 54 76 66 78 68 62 52 60 94 72 82 86 72 90 64 72 72 100 72 60 80 30-49 50-80