Example 5: Section 1-2

1. Determine whether the results appear to have statistical significance.In a study for a new treatment for a diet drug, the subjects had a mean weight loss of 35 pounds. It was found that there is about a 1% chance of getting such results with a placebo.

Yes

No

2. Determine whether the results appear to have practical significance significance.In a study for a new treatment for a diet drug, the subjects had a mean weight loss of 35 pounds. It was found that there is about a 1% chance of getting such results with a placebo.

Yes

No

3. Determine whether the results appear to have practical significance.In a study for a new treatment for a diet drug, the subjects had a mean weight loss of 35 pounds. It was found that there is about a 30% chance of getting such results with a placebo.

Yes

No

The answer is yes, but since the study does not have statistical significance we do not care if they have practical significance!

Explanation

The answer is yes, but since the study does not have statistical significance we do not care if they have practical significance!

4. Determine whether the results appear to have practical significance.In a study for a new treatment for a diet drug, the subjects had a mean weight loss of 2 pounds. It was found that there is about a 1% chance of getting such results with a placebo.

Yes

No

5. Determine whether the results appear to have statistical significance.In a study for a new treatment for a diet drug, the subjects had a mean weight loss of 2 pounds. It was found that there is about a 1% chance of getting such results with a placebo.

Yes

No

6. Determine whether the results appear to have statistical significance.In a study for a new treatment for a diet drug, the subjects had a mean weight loss of 35 pounds. It was found that there is about a 30% chance of getting such results with a placebo.

Yes

No