Question
Need some help. Resveratrol, an ingredient in red wine and grapes, has been shown to promote weight loss in animals.In one study, a sample of
Need some help.
Resveratrol, an ingredient in red wine and grapes, has been shown to promote weight loss in animals.In one study, a sample of lemurs had various measurements taken before and after receiving resveratrol supplements for 4 weeks. For each p-value given, indicate the formal generic conclusion as well as a conclusion in context. Use a 5% significance level.
- In the test to see if the mean resting metabolic rate is higher after treatment, the p-value is 0.013.
- In the test to see if the mean body mass is lower after treatment, the p-value is 0.007.
- In the test to see if locomotor activity changes after treatment, the p-value is 0.980.
- In the test to see if mean food intake changes after treatment, the p-value is 0.035.
- Which of the results given in (a) - (d) above are significant at a 1% level?
Example 3: Multiple Sclerosis and Sunlight
It is believed that sunlight offers some protection against multiple sclerosis, but the reason is unknown.Is it the vitamin D, the UV light, or something else? In an experiment, mice were injected with a substance to give them MS and were randomly assigned to either a control group (with no treatment), a group that received vitamin D supplements, or a group that got exposed regularly to UV light. The scientists found that mice exposed to UV light were significantly less likely to get MS than the control mice, but that vitamin D did not seem to reduce the likelihood of getting MS compared to the control group. For these two tests, one of the p-values was 0.470 and one was 0.002. Which p-value goes with which test? Also, for each test, indicate whether we "Reject H0" or "Do not reject H0".
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