Author Question: A multinomial experiment with k = 4 cells and n = 400 produced the data shown in the following ... (Read 83 times)

Haya94 · **on:** Feb 14, 2020

Question 1

An adverse drug effect (ADE) is an unintended injury caused by prescribed medication. The table summarizes the proximal cause of 95 ADEs that resulted from a dosing error at a Boston hospital.

TOTAL

95

In order to determine whether the true percentages of ADEs in the five "cause" categories differ, a chi-square analysis was conducted. Use the chi-square distribution to determine the rejection region when testing at α = 0.025.
◦ Reject H₀ if χ² > 14.4494
◦ Reject H₀ if χ² > 12.8325
◦ Reject H₀ if χ² > 11.1433
◦ Reject H₀ if χ² > 9.48773

Question 2

A multinomial experiment with k = 4 cells and n = 400 produced the data shown in the following table.

Cell

Previous studies in this area have shown that p₁ = p₂ = p₃ = p₄ = .25. Construct a 95% confidence interval for the multinomial probability associated with cell 2.
◦ (0.474, 0.556)
◦ (0.473, 0.557)
◦ (0.086, 0.149)
◦ (0.466, 0.564)

lucas dlamini · **Reply #1 on:** Feb 14, 2020

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