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Nutrition

The percentage of malnutrition prevailing in children is given for urban and rural areas. The data are at this text's website.

a. Compare the mean percentage of malnutrition.

b. Compare the standard deviation of the percentage of malnutrition in children from rural and urban areas.

c. Remove the outliers of 3, 4, and 4 for urban, and compare the means again. What effect did removing the outliers have on the mean?

d. What effect do you think removing the two outliers would have on the standard deviation, and why?

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