Preliminary data analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied. Researchers randomly and independently selected 30 prisoners diagnosed with chronic posttraumatic stress disorder (PTSD) and 22 prisoners that were diagnosed with PTSD but had since recovered (remitted). The ages, in years, at arrest yielded the summary statistics shown in the table to the right. At the 10% significance level, do the data provide sufficient evidence to conclude that a difference exists in the mean age at arrest of prisoners with chronic PTSD and remitted PTSD? Chronic Remitted x1 = 28.2 x2 = 20.9 s1 = 5 s2 = 6 n1 = 30 n2 = 22 What are the hypotheses for the nonpooled t-test? A. H0: μ1≥μ2 Ha: μ1<μ2 B. H0: μ1=μ2 Ha: μ1<μ2 C. H0: μ1=μ2 Ha: μ1>μ2 D. H0: μ1=μ2 Ha: μ1≠μ2 Find the test statistic. t=_ (Round to three decimal places as needed.) Find the critical value(s). (Round to three decimal places as needed. Use a comma to separate answers as needed.) What is the conclusion of the hypothesis test? _ (Reject or Do not reject) the null hypothesis, meaning that the data ______ (do not provide or provide) sufficient evidence to conclude that a difference exists in the mean age at arrest of prisoners with chronic PTSD and remitted PTSD.

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Description: Preliminary data analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied. Researchers randomly and independently selected 30 prisoners diagnosed with chronic posttraumatic stress disorder (PTSD) and 22 pri

MATLAB: An Introduction with Applications

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Preliminary data analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied. Researchers randomly and independently selected 30 prisoners diagnosed with chronic posttraumatic stress disorder (PTSD) and 22 prisoners that were diagnosed with PTSD but had since recovered (remitted). The ages, in years, at arrest yielded the summary statistics shown in the table to the right. At the 10% significance level, do the data provide sufficient evidence to conclude that a difference exists in the mean age at arrest of prisoners with chronic PTSD and remitted PTSD?

Chronic	Remitted
x1	=	28.2	x2	=	20.9
s1	=	5	s2	=	6
n1	=	30	n2	=	22

What are the hypotheses for the nonpooled t-test?

A. H0: μ1≥μ2 Ha: μ1<μ2

B. H0: μ1=μ2 Ha: μ1<μ2

C. H0: μ1=μ2 Ha: μ1>μ2

D. H0: μ1=μ2 Ha: μ1≠μ2

Find the test statistic.

t=___________

(Round to three decimal places as needed.)

Find the critical value(s).

__________________

(Round to three decimal places as needed. Use a comma to separate answers as needed.)

What is the conclusion of the hypothesis test?

_______________ (Reject or Do not reject) the null hypothesis, meaning that the data ____________ (do not provide or provide) sufficient evidence to conclude that a difference exists in the mean age at arrest of prisoners with chronic PTSD and remitted PTSD.

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