The bodys natural electrical field helps wounds heal. If diabeteschanges this field
Chapter 0, Problem 22.43(choose chapter or problem)
The bodys natural electrical field helps wounds heal. If diabeteschanges this field, that might explain why people with diabetes heal slowly. Astudy of this idea compared normal mice and mice bred to spontaneously developdiabetes. The investigators attached sensors to the right hip and front feet of themice and measured the difference in electrical potential (millivolts) betweenthese locations. Here are the data: (a) Make a stemplot of each sample of potentials. There is a low outlier in thediabetic group. Does it appear that potentials in the two groups differ in asystematic way?(b) Is there significant evidence of a difference in mean potentials between thetwo groups?(c) Repeat your inference without the outlier. Does the outlier affect yourconclusion?
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