Suppose that you run a correlation and find the correlation coefficient is -0.378 and the regression equation is y^ = -7.3x + 71.77. The means of your data were x̄ = 6.9 and ȳ = 21.3. If the critical value is 0.505, use the appropriate method to predict the y value when x is 9.9.
Added by Nicol-S A.
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We have the regression equation: $y^* = -7.3x + 71.77$. Show more…
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