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ONE WAY ANOVA
One way AnovaThe one-way analysis of variance (ANOVA) is used to determine whether there are any statistically significant differences between the means of three or more independent (unrelated) groups.Steps to perform one-way ANOVAStep 1: Input your data into columns or rows in Excel. For example, if three groups of students for music treatment are being tested, spread the data into three columns.Step 2: Click the “Data” tab and then click “Data Analysis.” If you don’t see Data Analysis, load the ‘Data Analysis Toolpak’ add-in.Step 3: Click “ANOVA Single Factor” and then click “OK.”Step 4: Type an input range into the Input Range box. For example, if the data is in cells A1 to C10, type “A1:C10” into the box. Check the “Labels in first row” if we have column headers, and select the Rows radio button if the data is in rows.Step 5: Select an output range. For example, click the “New Worksheet” radio button.Step 6: Choose an alpha level. For most hypothesis tests, 0.05 is standard.Step 7: Click “OK.” The results from ANOVA will appear in the worksheet.
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