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What did Galton use to calculate how strong the relationship was for the line of best fit?
a bell shaped curve
forensics
genetic testing
the correlation coefficient
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the correlation coefficient
Galton used correlation (and regression) to quantify how strongly two variables were related — e.g., parent and offspring heights — measuring the strength of the line of best fit.
Galton used correlation (and regression) to quantify how strongly two variables were related — e.g., parent and offspring heights — measuring the strength of the line of best fit.
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