An HIV clinical trial with 1151 subjects was conducted. We will focus on two variables from this trial: IVDrug and Age. IVDrug is a categorical variable that indicates whether each subject never, previously, or currently uses IV drugs. Age lists the subject's age in year. Thus, we have age for subjects in three treatment groups. Assume that the samples were collected independently and come from a normally distributed population with equal variances. An ANOVA is used to test whether average age in the three IV drug groups is the same. A partially filled-in ANOVA table is listed below. Use a significance level of 0.05.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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An HIV clinical trial with 1151 subjects was conducted. We will focus on two variables from this trial:
IVDrug and Age. IVDrug is a categorical variable that indicates whether each subject never, previously,
or currently uses IV drugs. Age lists the subject's age in year. Thus, we have age for subjects in three
treatment groups.
Assume that the samples were collected independently and come from a normally distributed population
with equal variances. An ANOVA is used to test whether average age in the three IV drug groups is the
same. A partially filled-in ANOVA table is listed below. Use a significance level of 0.05.
p-value
Treatment
Error
Total
df
SS
MS
76.77
F
7.5586
Transcribed Image Text:An HIV clinical trial with 1151 subjects was conducted. We will focus on two variables from this trial: IVDrug and Age. IVDrug is a categorical variable that indicates whether each subject never, previously, or currently uses IV drugs. Age lists the subject's age in year. Thus, we have age for subjects in three treatment groups. Assume that the samples were collected independently and come from a normally distributed population with equal variances. An ANOVA is used to test whether average age in the three IV drug groups is the same. A partially filled-in ANOVA table is listed below. Use a significance level of 0.05. p-value Treatment Error Total df SS MS 76.77 F 7.5586
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