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C. Conducting the Test Can you support the claim that there is a difference in the mean length of hospital stays for patients (ages 17

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C. Conducting the Test Can you support the claim that there is a difference in the mean length of hospital stays for patients (ages 17 and younger) diagnosed with pneumonia? Assume the populations are normal and the population variances are equal. Use or = 0.05. a. State Ho and Ha in words and parameters b. What is the correct model? What assumptions are needed? c. What is the signicance level of the test? d. What is the decision rule when you use the p-value method

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