When we compute the sample correlation r from data,the result will be definitely zero when the population correlation ρ is zero.

Name: When we compute the sample correlation r from data,the result will be definitely zero when the population correlation ρ is zero.
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Quizplus · Accepted Answer

It is possible for the sample correlation r to be zero even when the population correlation ρ is not zero. This can happen when there is random variation in the sample that masks the true correlation in the population.

When We Compute the Sample Correlation R from Data,the Result