In a previous study, a researcher was evaluating the assertion of a drug company

Question

In a previous study, a researcher was evaluating the assertion of a drug company that its course of treatment will, on average, reduce a person's cholestrol level by 0.8 mmol/L. Explain whether he might have been justified in performing one-sided tests in cases (a) - (c), and determine whether his conclusions would have been different.

(a) A mean increase of 0.6 units, with standard error 0.2 units;
(b) A mean decrease of 0.4 units, with standard error 0.2 units;
(c) A mean increase of 0.4 units, with standard error 0.2 units

Explanation / Answer

(c) A mean increase of 0.4 units, with standard error 0.2 units

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.