Answered: yndrome (OSAS). Length (mm) from the…

Name: Researchers studied the craniofacial morphology of male patients with
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Description: Researchers studied the craniofacial morphology of male patients with and without obstructive sleep apnea syndrome (OSAS). Length (mm) from the hyoid bone to the Frankfort horizontal was measured in both groups. Do these data provide sufficient evide

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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Researchers studied the craniofacial morphology of male patients with and without obstructive sleep apnea syndrome (OSAS). Length (mm) from the hyoid bone to the Frankfort horizontal was measured in both groups. Do these data provide sufficient evidence that the mean length from the hyoid bone to the Frankfort horizontal differs for the two groups? Use a 5% level of significance. Assume equal variances. 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value.

Non-OSAS	OSAS
96.0	101.9
100.7	114.9
99.6	110.3
109.1	123.1
95.7	112.2
91.9	96.9
87.5	105.0

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