ANOVA to test differences in mean GDPs of Germany, Japan, US
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The percentage of quarterly changes in the Gross Domestic Product for 20 countries are available at the following site: http//www.oecd.org.
Select Statistics, National Accounts, Quarterly National Accounts, and select Quarterly Growth Rates of GDP at Constant Price for OECD countries. Copy the data for Germany, Japan and the United States into three columns.
Perform an ANOVA test to see whether there is a difference in the means. What can you conclude?
The following chart can be found in the attached Excel document:
Germany 3.2 1.2 0 -0.2 1.2 0.8 3.4 2.7 1 -4.7
Japan 2.9 0.2 0.3 1.4 2.7 1.9 2 2.4 -1.2 -5.2
U.S. 4.2 1.1 1.8 2.5 3.6 3.1 2.7 1.9 0 -2.7
Please find attached Excel document for data.
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Solution Summary
ANOVA outputs from SPSS and Excel to test differences in mean Quarterly Growth Rates of GDP between Germany, Japan, and the United States. Conclusion based on ANOVA results is also included.
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ANOVA: Single Factor
Summary:
Groups Count Sum Average Variance
Column 1 10 8.6 0.86 5.371555556
Column 2 10 7.4 0.74 6.018222222
Column 3 10 18.2 1.82 ...
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