In an actual experiment, a researcher claims a drug cures a higher percentage of patients than the current therapy does.What is the null hypothesis, and why?
A) The new drug cures more people; because that's the researcher's claim.
B) The new drug cures more people; because the null hypothesis is based on the best drug.
C) The new drug is equal in performance to the old drug; because the null hypothesis always assumes no statistically significant difference exists.
D) The side effects of the current drug are the null hypothesis.

Question

Quizplus · Accepted Answer

The null hypothesis always assumes no statistically significant difference exists between the two groups being compared. In this case, the null hypothesis would be that the new drug has the same effectiveness as the current therapy.

In an Actual Experiment, a Researcher Claims a Drug Cures