EXAMPLE 11.4 TABLE 11.1 In an experiment to determine the effect of nutrition on the attention spans of ele- mentary school students, a group of 15 students were randomly assigned to each of three meal plans: no breakfast, light breakfast, and full breakfast. Their attention spans (in minutes) were recorded during a morning reading period and are shown in Table 11.1. Construct the analysis of variance table for this experiment. Attention No Breakfast 8 7 9 13 10 T₁ = 47 Spans of Students After Three Meal Plans Light Breakfast Full Breakfast 14 16 12 17 11 T₂ = 70 10 12 16 15 12 73 = 65

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EXAMPLE 11.4
TABLE 11.1
In an experiment to determine the effect of nutrition on the attention spans of ele-
mentary school students, a group of 15 students were randomly assigned to each
of three meal plans: no breakfast, light breakfast, and full breakfast. Their attention
spans (in minutes) were recorded during a morning reading period and are shown in
Table 11.1. Construct the analysis of variance table for this experiment.
Attention Spans of Students After Three Meal Plans
No Breakfast
Light Breakfast
Full Breakfast
8
7
9
13
10
T₁ = 47
14
16
12
17
11
T₂ = 70
10
12
16
15
12
73 = 65
Transcribed Image Text:EXAMPLE 11.4 TABLE 11.1 In an experiment to determine the effect of nutrition on the attention spans of ele- mentary school students, a group of 15 students were randomly assigned to each of three meal plans: no breakfast, light breakfast, and full breakfast. Their attention spans (in minutes) were recorded during a morning reading period and are shown in Table 11.1. Construct the analysis of variance table for this experiment. Attention Spans of Students After Three Meal Plans No Breakfast Light Breakfast Full Breakfast 8 7 9 13 10 T₁ = 47 14 16 12 17 11 T₂ = 70 10 12 16 15 12 73 = 65
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