Select the option that says Anova: Two-Factor With Replication, then click OK. Choose Anova: Two-Factor With Replication If you don’t see this as an option, you need to first load the free Data Analysis Toolpak.Ģ. Step 1: Select the Data Analysis Toolpak. We can use the following steps to perform a two-way ANOVA on this data: 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: In the table above, we see that there were five plants grown under each combination of conditions. After two months, she records the height of each plant. She plants 40 seeds and lets them grow for two months under different conditions for sunlight exposure and watering frequency. Example: Two Way ANOVA in ExcelĪ botanist wants to know whether or not plant growth is influenced by sunlight exposure and watering frequency. This tutorial explains how to perform a two-way ANOVA in Excel. A two-way ANOVA (“analysis of variance”) is used to determine whether or not there is a statistically significant difference between the means of three or more independent groups that have been split on two factors.
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