Question: To use a Spearmans correlation coefficient, the data must be a. Measured at the interval level. b. Measured at the categorical level. c. Normally distributed.

To use a Spearman’s correlation coefficient, the data must be
a. Measured at the interval level.
b. Measured at the categorical level.
c. Normally distributed.
d. Rank-ordered with respect to the extent of a certain characteristic.

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