What is the numeric value of the y-intercept

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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. The stress scores (predictor variable) and risk of heart attack values (criterion variable) from a small sample of participants are depicted below. (Values below are valid for this question only!)

Stress Score Risk of Heart Attack (Higher values = more stress) (Higher values = greater risk)

5 7
5 5
0 3
7 8

What is the numeric value of the y-intercept (a)?

Reference no: EM132856891

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