IS THERE A RELATIONSHIP? Chi-Square Test. Observed Results A study was conducted to see if the GPA of baseball fans was related to what hometown baseball.

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Presentation transcript:

IS THERE A RELATIONSHIP? Chi-Square Test

Observed Results A study was conducted to see if the GPA of baseball fans was related to what hometown baseball team they liked: THE CUBS or THE SOX. Observed Results Unweighted GPA – 4.0Total Baseball Team Preference Cubs Sox Total

Expected Calculations Table Step 1: Create an Expected Calculations Table Expected Calculations Cubs Sox

Expected Results Step 2: Calculate the Expected Results using the graphing calculator. Expected Results Cubs Sox

Chi Square Expanded Form

Chi-Square

What is our Hypothesis?

What is our Test Criteria?

Conclusion

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