Analyze data using chi-square test , Basic Statistics

Analyze the given data using chi-square test and see if it fits the expected 9:3:3:1 F2 phenotypic ratio.


Ho: Null hypothesis: The F2 phenotypic ratio follows the 9:3:3:1.

Ha: Alternative hypothesis: The F2 phenotypic ratio does not follow the 9:3:3:1.

Decision criterion:

Accept Ho if chi-square computed is less than chi-square tabular.

Reject Ho if chi-square computed is greater than chi-square tabular.




Observed Frequencies (O)

Expected Frequencies (E)



Round, yellow





Round, green





Wrinkled, yellow





Wrinkled, green








Posted Date: 2/16/2013 5:56:00 AM | Location : United States

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