8 min read
This study guide covers exploring two-variable data, including creating and interpreting scatterplots, understanding and calculating correlation coefficients, and performing least-squares regression. It emphasizes interpreting computer outputs and addresses key concepts like residuals, r, R², and s. The guide also reviews describing scatterplots (DUFS), and cautions against confusing correlation with causation.
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Question 1 of 13
If a scatterplot shows points generally going upwards from left to right, what kind of direction does it have? đ
Negative
Positive
No direction
Curvilinear