An article in the International Journal of Sports Medicine discusses the use of the Mann€“Whitney U test to compare the total cholesterol (mg/dL) of 35 adipose (obese) boys with that of 27 adipose girls. No significant difference was found between the two groups with respect to total cholesterol. A similar study involving six adipose boys and eight adipose girls gave the following total cholesterol values.

Use the Mann€“Whitney U test to test the research hypothesis that the total cholesterol values differ for the two groups, using the 0.05 level of significance.

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Adipose Boys 175 185 160 200 170 150 Adipose Gir 160 190 175 190 185 150 140 195