A pharmaceutical company wants to test if a new drug reduces…
A pharmaceutical company wants to test if a new drug reduces the average recovery time for patients with a certain illness. The previous average recovery time was 14 days. After conducting a clinical trial, the company collects data for six months. Ho: mu = 14 vs. Ha: mu < 14 The p-value for this trial is 0.84. If the true average recovery time has decreased, what type of error is this?
Read DetailsTatum is interested in determining whether customer satisfac…
Tatum is interested in determining whether customer satisfaction differs between the Atlanta (A) and Boston (B) locations for a new sustainable shoe store. He randomly selected ten customers at each location and conducted a classical significance test of his claim. The customers were there during the weekdays. Choose the appropriate output below. Please type the responses directly into the space below. Make sure to include the following: Problem: Plan: Data: Variable: Missing: Parameter: Analysis: Hypotheses: Assumptions: Name of test Test Statistic p-value Conclusion: Can you extend to the population? Interpretation: Next Questions:
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