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77julia77 [94]
2 years ago
11

coby analyzes a data set and finds that r = 0.88. what is the coefficient of determination for his data set?

Mathematics
1 answer:
trapecia [35]2 years ago
5 0

Answer:

R^{2}=0.7744

Step-by-step explanation:

r represents the correlation coefficient between two sets of data. It is a measure of the degree of association between the two sets of data and gives insight into the strength and direction of the relationship.

On the other hand, R^{2} is the coefficient of determination for a given data set. It is a measure of the predictive power of a linear model.

Given r, R^{2} is simply the square of r;

in this case we are given, r = 0.88. Therefore, R^{2}=0.88^{2}\\\\R^{2}=0.7744

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