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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 on theme: "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."— Presentation transcript:

1 IS THERE A RELATIONSHIP? Chi-Square Test

2 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 2.01 - 3.03.01 – 4.0Total Baseball Team Preference Cubs286495187 Sox1244119184 Total152105114371

3 Expected Calculations Table Step 1: Create an Expected Calculations Table Expected Calculations 0-2.02.01-3.03.01-4.0 Cubs Sox

4 Expected Results Step 2: Calculate the Expected Results using the graphing calculator. Expected Results 0-2.02.01-3.03.01-4.0 Cubs76.6152.9257.46 Sox75.3952.0856.54

5 Chi Square Expanded Form

6 Chi-Square

7 What is our Hypothesis?

8 What is our Test Criteria?

9 Conclusion

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