Study measuring how nutritional status

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You are asked to design a study measuring how nutritional status is related to serum lead levels in children. You assess calcium and fat intake, as well as serum lead levels in a sample of 30 children who are less than 2 years old. Lead levels are measured in micrograms per deciliter (mcg/dL). One child had a lead level of 17mcg/dL. This is an example of what type of variable?

Reference no: EM131822084

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