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The correlation coefficient is denoted by the letter __.

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The correlation coefficient is often denoted by the letter 'R'. In the case of Pearson's correlation, it's specifically denoted as 'r'. It measures the degree of relationship between two variables.
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Data Science Statistics Quiz
Quiz
What is the measure of central tendency that divides a data set into two equal halves?
What is the difference between a one-sample t-test and a two-sample t-test?

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