What is the correlation coefficient for the set of data

Asked by maham237 @ in Mathematics viewed by 296 People

What is the correlation coefficient for the set of data? Round Your answer to the nearest thousandth.
a. 0.014
b. 0.989
c. 0.075
d. -0.977

Answered by maham237 @


Even if you don't solve for the correlation coefficient, you can already solve this by process of elimination and inspection. The correlation coefficient has a positive value, therefore, it's not D. Looking at the data, you can see a trend in the values; as one data increases, the other increases as well. Therefore, the dependency of the variables is strong and the correlation coefficient must be close to 1. So, the answer is B.

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