Please show work on paper It is believed that sunlight offers some protection against multiple sclerosis, but the reason is un-known. Is it the vitamin D, the UV light, or something else? In an experiment, mice were injectedwith a substance to give them MS and were randomly assigned to either a control group (with notreatment), a group that received vitamin D supplements, or a group that got exposed regularly toUV light. The scientists found that mice exposed to UV light were significantly less likely to getMS than the control mice, but that vitamin D did not seem to reduce the likelihood of getting MScompared 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 Ho" or "Donot reject Ho."

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Answered: It is believed that sunlight offers…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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What is an experiment?
What is meant by the sample space of an experiment?
An experiment was conducted for better understanding of the effectiveness of a particular type of drug for reducing bad cholesterol (LDL) level. The purpose of the experiment was to determine whether different dosages used have significant different outcomes in average LDL reduction. Twenty subjects with LDL at around 250 to 300 mg/dL had participated in the study and were randomly divided into four groups. Each group was given a specific level of dosage of the drug each day for one month, with a control group that only provided with placebo. The reduction in LDL was recorded and showed in the following table. Positive number indicates reduction and negative numbers indicates increasing in DLD. Use statistical software to analyze the data and answer the following question. Control Light Dosage Level Medium Dosage Level Heavy Dosage Level 7 25 73 81 -3 17 60 71 6 22 55 79 5 21 41 60 15 12 36 85 Perform a One-way…
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Individuals who have experienced a stroke are at an increased risk of having another stroke. Prevention is particularly important for high-risk populations. The Second European Stroke Prevention Study asked whether daily doses of an anti- blood-clotting agent, such as aspirin or dipyridamole, would help prevent strokes among patients who had just experienced a first stroke. Volunteer patients were randomly assigned to one of four treatment options: placebo, aspirin, Dipy., Both drugs. Researchers then recorded the patients who had another stroke and specifically if they died from that second stroke or not. Conduct the chi-square test of independence. What decision is made? Did not die from 2nd stroke 1447 1467 1466 1465 Died from 2nd stroke Placebo Aspirin Dipyr. Both drugs 202 182 188 185 Reject Ho. Fail to reject Ho.
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Most cases of cervical cancer are linked to a few strains of the human papilloma virus (HPV). The pharmaceutical company Merck developed a vaccine (Gardisil) against these HPV strains. Worldwide clinical trials followed young women after vaccination or administration of placebo for two to four years for signs of HPV-caused cervical cancer. Based on a sample of 100 women in the Gardisil group, 24 % developed cervical cancer, and based on a sample of 100 women in the placebo group, 34 % developed cervical cancer. Test the claim that the proportion of women who developed cervical cancer in the Gardisil group is less than the proportion of women who developed cervical cancer in the placebo group at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. Fill in the hypotheses below where p₁ denotes the proportion of women who developed cervical cancer in the Gardisil group and p2 denotes the proportion of women who developed cervical…
Most cases of cervical cancer are linked to a few strains of the human papilloma virus (HPV). The pharmaceutical company Merck developed a vaccine (Gardisil) against these HPV strains. Worldwide clinical trials followed young women after vaccination or administration of placebo for two to four years for signs of HPV-caused cervical cancer. Based on a sample of 100 women in the Gardisil group, 26% developed cervical cancer, and based on a sample of 100 women in the placebo group, 32% developed cervical cancer. Test the claim that the proportion of women who developed cervical cancer in the Gardisil group is less than the proportion of women who developed cervical cancer in the placebo group at a = 0.05. Round your answers to three decimal places, and round any interim calculations to four decimal places. Fill in the hypotheses below where p₁ denotes the proportion of women who developed cervical cancer in the Gardisil group and p2 denotes the proportion of women who developed cervical…

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