# ​Dr. Smith found a Pearson correlation of +.72 between class attendance and exam scores. To better understand the data, she ranked students on both variables and then recalculated the correlation coefficient. For the second analysis, Dr. Smith should calculate

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​Dr. Smith found a Pearson correlation of +.72 between class attendance and exam scores. To better understand the data, she ranked students on both variables and then recalculated the correlation coefficient. For the second analysis, Dr. Smith should calculate

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Step 1

Spearman’s rank correlation coefficient:

Spearman’s rank correlation coefficient is denoted by ρ. It lies between –1 and 1. if the data is in the form of ratio or interval...

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