ersons having Raynaud\'s syndrome are apt to suffer a sudden impairment of blood

Question

ersons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in fingers and toes. In an experiment to study the extent of this impairment, each subject immersed a forefinger in water and the resulting heat output (cal/cm2/min) was measured. For m-10 output was 2.0 Let 1 and#2 denote the true average heat outputs for the sufferers and 2-0.5. subjects with the syndrome, the average heat output was x -0.64, and for a - 10 nonsurfteres, the averay nonsumerers, respectively. Assume that the two distributions of heat output are normal with 1-0.3 and (a) Consider testing Mo: ,-H2-1.0 versus H. 1-P2

Explanation / Answer

p-value = 0.0153

Given Data Sample 1 Sample 2 Name mean 0.64 2.08 Sample size 10 10 Std. dev. 0.30 0.50

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