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A botanist wants to know whether or not plant growth is influenced by sunlight exposure and watering frequency. She plants 40 seeds and lets them
A botanist wants to know whether or not plant growth is influenced by sunlight exposure and watering frequency. She plants 40 seeds and lets them grow for two months under different conditions for sunlight exposure and watering frequency. After two months, she records the height of each plant. The results are shown below: Sunlight Exposure Watering Frequency None Low Medium High Daily 4.8 5 6.4 6.3 4.4 5.2 6.2 6.4 3.2 5.6 4.7 5.6 3.9 4.3 5.5 4.8 4.4 4.8 5.8 5.8 Weekly 4.4 4.9 5.8 6 4.2 5.3 6.2 4.9 3.8 5.7 6.3 4.6 3.7 5.4 6.5 5.6 3.9 4.8 5.5 5.5 In the table above, we see that there were five plants grown under each combination of conditions. For example, there were five plants grown with daily watering and no sunlight and their heights after two months were 4.8 inches, 4.4 inches, 3.2 inches, 3.9 inches, and 4.4 inches: Use Excel to perform an ANOVA for the data given above. (HINT: Use Page 171, Example: 5.1 as an example for formulas and how to perform ANOVA. An excel file that includes all the ANOVA computations and a word document that has the results of the ANOVA like this: " TABLE 5.5 Analysis of Variance for Battery Life Data Source of Sum of Degrees of Mean Variation Squares Freedom Square Fo P-Value Material types 10,683.72 5,341.86 7.91 0.0020 Temperature 39,118.72 ANN 19,559.36 28.97
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