Mathematics · Correlation and Regression
Given two sets of observations for variables X and Y, if Cov(X, Y) = 3, σx = 2, and σy = 3, the correlation coefficient r is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.2
- 20.5✓
- 30.25
- 40.75
Correct answer
0.5
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