Question: The regression equation is computed for a set of n = 18 pairs of X and Y values with a correlation of r = +80

The regression equation is computed for a set of n = 18 pairs of X and Y values with a correlation of r = +80 and SSY = 100.
a. Find the standard error of estimate for the regression equation.
b. How big would the standard error be if the sample size were n = 38?

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