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10 questions from this quiz
By squaring the correlation coefficient
It is always positive
0%0\%0% to 100%100\%100%
64%64\%64%
64%64\%64% of weight variation explained by height
97.0%97.0\%97.0%
A scatterplot to determine the sign
Exact predictions
7.6%7.6\%7.6%
36%36\%36%
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