Question: here are the options The formula that uses the differences (D) loses accuracy when there are many ties. The formula that uses the differences (D)

here are the options The formula that uses the differences (D) loses accuracy when there are many ties. The formula that uses the differences (D) is always only a rough estimate of rs . You do not use the Pearson correlation formula when calculating the Spearman correlation. The Pearson correlation formula applied to the ranks loses accuracy when there are many ties

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