Compute the least-squares regression line for predicting y from x given the following summary statistics. Round the slope and y-intercept to at least four decimal places. x = 3 sx = 20,000 y = 100 sy = 15 r = 0.30
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Step 1: Write down the formula for the least-squares regression line: y = a + bx where a is the y-intercept and b is the slope. Show more…
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