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## Chi Square

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**Chi Square**2 Your report**Intro**• Describe your trait you selected • What is the dominant and recessive trait • How did you collect the data? • What is your prediction about the sample? • I will see a 50:50 Pattern or evidence of genetics. • Null Hypothesis: There is no statistical difference between by expected of _______and the observed data.**Data**• Organize your data**Results—Chi Square**• Degrees of Freedom = • P=0.05 value =**Conclusion**• Restate the prediction of your sample. • Do you accept or reject the null hypothesis • Accept: Why? • Reject: Why and what is an alternative reason? • Sample size • Prediction • Different parental genotypes