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You've collected this data on past grades in two popular classes: Math 500 English A B с D F 600 P 155 255 355 90 45 F 2
Posted: Wed May 04, 2022 12:01 pm
by answerhappygod
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You've collected this data on past grades in two popular classes: Math 500 English A B с D F 600 P 155 255 355 90 45 F 25 50 375 275 175 To test the null hypothesis Ho: grades in Math 500 and grades in English 600 are mutually independent against the full alternative H₁: grades in Math 500 and grades in English 600 are not mutually independent 1. How many degrees of freedom does the relevant Pearson's contingency x² distribution have? (3 points) 2. How much is the observed x²? (3 points) 3. What can you say about the P-value? (3 points) 4. Would you reject or FTR at level of significance a = 1%? (1 point) 5. Would you reject or FTR at level of significance a = 5%? (1 point)