For the data below: a. Find the regression equation for predicting Y from X. b. Calculate the predicted Y for each X value, find each residual (Y – Ŷ ), square each residual and add the squared values to obtain SS residual . c. Calculate the standard error of estimate. X Y 1 1 3 2 9 5 7 4
Added by Karen F.
Step 1
To find the regression equation for predicting Y from X, we need to calculate the slope (b) and the intercept (a) of the regression line. First, let's calculate the mean of X (X̄) and the mean of Y (Ȳ): X̄ = (1 + 3 + 9 + 7) / 4 = 20 / 4 = 5 Ȳ = (1 + 2 + 5 + 4) Show more…
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