Question: Examine the following correlation coefficients for two variables. Discuss how you interpret each of them. What does the correlation coefficient tell you about the relationship

Examine the following correlation coefficients for two variables. Discuss how you interpret each of them. What does the correlation coefficient tell you about the relationship between the two variables?

Situation 1

r = 0.9

Variable 1: yield of corn

Variable 2: use of fertilizer

Situation 2

r = - 0.7

Variable 1: Number of absences

Variable 2: Earned grade

Situation 3

r = 0.12

Variable 1: Number of cups of coffee consumed in the day

Variable 2: IQ

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