Science Bowl Question

📅 NSB 2013🎓 HS🔄 Round 16#️⃣ Q3❓ TOSS-UP📝 Multiple Choice

The points on a scatter plot are extremely close to their least-squares regression line, which is expressed by the equation y = -2x + 3. The correlation coefficient r between x and y is closest to which of the following?

W) -2
X) -1
Y) 1/2
Z) 1
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