Question: solve A researcher is studying the relationship between the elements of two populations. He wants to measure the strength and direction of the relationship between

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A researcher is studying the relationship between the elements of two populations. He wants to measure the strength and direction of the relationship between the two populations. Which of the following options will allow him to do so? A O Pearson's correlation coefficient B O Spearman's correlation coefficient C O Covariance D O Regression analysis

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