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69. Out of correlation and regression, which one is not affected by which variable is considered the explanatory variable and which is considered the response?
69. Out of "correlation" and "regression", which one is not affected by which variable is considered the explanatory variable and which is considered the response? 70. A study of crop yield and amount of fertilizer used showed that ( within limits on the amount of fertil more fertilizer used the more crop yield there was. Fertilizer use explained 81% of the variation in What is the numerical value of the correlation coefficient relating crop yield and fertilizer use?
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