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A nurse is interested in whether there is a relationship between daily levels of stress and likelihood of a heart attack.
A nurse is interested in whether there is a relationship between daily levels of stress and likelihood of a heart attack. The stress scores (predictor variable) and risk of heart attack values (criterion variable) from a small sample of participants are depicted below.
Stress Score Risk of Heart Attack
(Higher values = more stress) (Higher values = greater risk)
5 8
3 8
2 9
0 7
What is the Pearson's r value?
