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Variance Testing : Analysis-of-variance Test

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Perform an analysis-of-variance test to see if the following sets of numbers were selected from distributions with the same mean:
a. 18, 9, 15, 10, 16, 8, 7, 20, 13, 8, 12
b. 17, 13, 9, 8, 10, 13, 16, 17, 12, 11, 17
c. 15, 13, 13, 14, 15, 20, 15, 14, 9, 16, 12
d. 16, 12, 13, 12, 14, 11, 8, 13, 17, 15, 14

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Perform an analysis-of-variance test to see if the following sets of numbers were selected from distributions with the same mean:
a. 18, 9, 15, 10, 16, ...

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