is there a relationship? chi-square test. observed results a study was conducted to see if the gpa...
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 ResultsUnweighted GPA
2.01 - 3.0
3.01 – 4.0
Total
Baseball Team
Preference
Cubs 28 64 95 187
Sox 124 41 19 184
Total 152 105 114 371
Expected Calculations Table
Step 1: Create an Expected Calculations Table
Expected Calculations
0-2.0 2.01-3.0 3.01-4.0
Cubs
Sox
Expected Results
Step 2: Calculate the Expected Results using the graphing calculator.
Expected Results
0-2.0 2.01-3.0 3.01-4.0
Cubs 76.61 52.92 57.46
Sox 75.39 52.08 56.54
Chi Square Expanded Form
Chi-Square
What is our Hypothesis?
What is our Test Criteria?
Conclusion