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Suppose a researcher has trained observers to rank participants according to their level of frustration when trying to solve a puzzle. What statistic should be used to determine the extent to which the observers agree in their rankings of frustration?

a. The measure of central tendency

b. The Spearman correlation coefficient

c. The point-biserial correlation coefficient

c. The Pearson product-moment correlation coefficient

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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