Cotinine levels were measured in a group of smokers (n = 31, x = 172.48 ng/mL, s = 119.50 ng/mL) and a group of nonsmokers not exposed to tobacco 62.53 ng/mL). Cotinine is a metabolite of nicotine, meaning that when nicotine is absorbed by the body, cotinine is produced. Test the claim that the va than the variation of cotinine in nonsmokers not exposed to tobacco smoke. Use a 0.01 significance level. • What is the critical value? A. 1.84 В. 2.39 С. 1.74 D. 2.20 • What is the test statistic and conclusion? A. 3.65; Reject Ho B. 3.65; Fail to reject Ho C. 3.07; Reject Ho D. 3.07; Fail to reject Ho
Cotinine levels were measured in a group of smokers (n = 31, x = 172.48 ng/mL, s = 119.50 ng/mL) and a group of nonsmokers not exposed to tobacco 62.53 ng/mL). Cotinine is a metabolite of nicotine, meaning that when nicotine is absorbed by the body, cotinine is produced. Test the claim that the va than the variation of cotinine in nonsmokers not exposed to tobacco smoke. Use a 0.01 significance level. • What is the critical value? A. 1.84 В. 2.39 С. 1.74 D. 2.20 • What is the test statistic and conclusion? A. 3.65; Reject Ho B. 3.65; Fail to reject Ho C. 3.07; Reject Ho D. 3.07; Fail to reject Ho
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 44E
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