Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 42 of the 48subjects treated with echinacea developed rhinovirus infections. In a placebo group, 95 of the 111 subjectsdeveloped rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effecton rhinovirus infections. Complete parts (a) through (c) below.Identify the test statistic.z = 0.32(Round to two decimal places as needed.)Identify the P-value.P-value = 0.748(Round to three decimal places as needed.)What is the conclusion based on the hypothesis test?The P-value is greater than the significance level of a = 0.05, so fail to reject the null hypothesis. Thereis not sufficient evidence to support the claim that echinacea treatment has an effect.b. Test the claim by constructing an appropriate confidence interval.The 95% confidence interval is< (P1- P2) <(Round to three decimal places as needed.)clinical trialGet more help-Clear allesc%2334.We

We want to find the 95 % CI for difference in population proportion (p1-p2)

Answered: uno viruses typically cause common…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 33 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 99 of the 113 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 2 P2 H1: P1 # P2 B. Ho: P1 + P2 O C. Ho: P1 = P2 H1: P1 = P2 H: P1 # P2 F. Ho: P1 = P2 E. Ho: P1 sP2 H4: P1 # P2 D. Ho: P1 = P2 H1: P1 > P2 H4: P1
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 33 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 92 of the 106 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 = P2 H;: P, # P2 O B. Ho: P1 = P2 H;: P, > P2 OC. Ho: P1 = P2 H: P,
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 35 of the 42 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 94 of the 110 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 = P2 H:Pq P2 O C. Ho: P1
1
Rhinoviruses typically cause common colds. In a test of the effectiveness of echinacea, 41of the 47 subjects treated with echinacea developed rhinovirus infections. In a placebo group,79 of the 95 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? Identify z = ______ Identify P value = _______ Identify the conclusion based on the hypothesis tests: The appropriate confidence level is _______ what is the conclusion based on the confidence interval what do the results suggest about the effect of the rhinovirus?
Do a hypothesis for the following, make sure to include and label all five steps: Test the claim that Treatment is independent of your reaction. Use a .05 significance level. Drug Placebo Headaches 29 25 No Headaches 65 73
Rhino viruses typically cause common colds. In a test of the effectiveness ofechinacea, 32 of the 38 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 84 of the 99 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. Identify the test statistic. Identify the P-value.
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 32 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 81 of the 94 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. Identify the test statistic. Test the claim by constructing an appropriate confidence interval. Based on the results, does echinacea appear to have any effect on the infection rate?
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 37 of the 43 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 89 of the 106 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? A. Ho: P₁ P2 H₁: P₁ P2 D. Ho: P₁ P2 H₁: P₁ P2 B. Ho: P₁ = P2 H₁: P₁ P₂ O E. Ho: P1 H₁: P₁ P2 P2 C. Ho: P₁ = P2 H₁: P₁ P2 F. Ho: P₁ P2 H₁: P₁ = P₂
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 50 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 87 of the 104 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P₁ #P2 H₁: P₁ =P₂ O D. Ho: P₁ ≤P2 H₁: P₁ P2 Identify the test statistic. Z= (Round to two decimal places as needed.) Identify the P-value. P-value= (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is the significance level of α = 0.01, so b. Test the claim by constructing an…
An epidemiologist found five cases of “big toe cancer” in the Yukon Territory. Because there were only a few cases, the epidemiologist decided to conduct a matched case-control study to determine whether shoe size larger than 9 is a risk factor for big toe cancer. Cases were individually matched to one control for daily activity, history of athlete’s foot, and history of ingrown toenails. The following data were gathered: Shoe size > 9 Pair Case Control 1 Yes No 2 No No 3 No Yes 4 Yes Yes 5 No Yes Compute the proper measure of association. Interpret your results. If you were to investigate a rare cancer in Lynchburg, where might you look for data? What would be necessary legally and ethically to be able to utilize this data set(s)? Submit your thread by 11:59 p.m. (ET) on Thursday of Module/Week 3, and submit your replies by 11:59 p.m. (ET) on Sunday of the same module/week. 1
Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than17 μg/g. Assume that the sample is a simple random sample. 13.5, 22.5, 7.5, 17, 22, 15.5, 9, 15.5, 5, 6 Determine the test statistics.

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