A researcher measures the relationship between two variables,X and Y.If SS_XY = 340 and SS_XSS_Y = 320,000,then what is the value of the correlation coefficient? A) .32 B) .34 C) .60 D) almost a zero correlation

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Quizplus · Accepted Answer

The formula for the correlation coefficient is r=SSxy/√(SSxSSy). Plugging in the values given, we get r=340/√(320,000*SSx). We do not have enough information to solve for SSx, but we know that r cannot be almost zero because the numerator is positive. Therefore, the best choice is C, which is the only option that suggests a moderate positive correlation.

A Researcher Measures the Relationship Between Two Variables,X and Y