Changes in each of the variables

Reference no: EM1392451

Over the past 30 years in the United States, there has been a strong negative correlation between the number of infant deaths at birth and the number of people over age 65. What lurking variables might be causing the changes in each of the variables?

a) A lurking variable might be worse health and care treatments

b) A lurking variable might be a proper diet

c) A lurking variable might be an improper diet

d) A lurking variable might be better health care and treatments

e) None of these choices

Reference no: EM1392451

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