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We can use r to tell us the strength of a linear relationship. It has a specific name. We know that the range of r is -1 to +1. In this example, determine the relationship and its strength, based on r having a value of -0.82. The value of r is called the Choose.... Since our scatterplot is Choose... the value of r will be Choose.... Also, the closer to -1 or +1 that r is, the Choose... the linear relationship.
ANSWER:
We can use r to tell us the strength of a linear relationship. It has a specific name. We know that the range of r is -1 to +1. In this example, determine the relationship and its strength, based on r having a value of -0.82. The value of r is called the
correlation coefficient
. Since our scatterplot is
negative
the value of r will be
negative
. Also, the closer to -1 or +1 that r is, the
stronger
the linear relationship.