A new drug is being proposed to lower total cholesterol. Forty (40) patients had

Question

A new drug is being proposed to lower total cholesterol. Forty (40) patients had their total cholesterol measured before taking the drug. They then were asked to take the new drug daily for 6 weeks. After the 6 week treatment period, their cholesterol was measured again. What is the name of the most appropriate test to determine whether the new drug is effective in decreasing the total cholesterol level? Why did you select this test? Also is a one-sided or two-sided test more appropriate and why?

Explanation / Answer

What is the name of the most appropriate test to determine whether the new drug is effective in decreasing the total cholesterol level?

Answer: Paired or matched sample t test

Why did you select this test?

Answer: Because the observatins(cholestrol level)are taken from the same experimental unit( patients)

Also is a one-sided or two-sided test more appropriate and why?

Answer: One sided is more appropriate, because we want to know whether the new drug is effective in decreasing the total cholesterol level

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