$$\text { A regression line was calculated as } y ^ { \prime } = 9.7 - 3.2 x \text {. The slope of this line is } - 3.2 \text {. }$$

Name: \[\text { A regression line was calculated as } y ^ { \prime } = 9.7 - 3.2 x \text {. The slope of this line is } - 3.2 \text {. }\]
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Question

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The slope of a regression line in the form $y' = b_0 + b_1x$ is represented by $b_1$, which in this case is $-3.2$.