In this regression equation: y(hat) = 10 + 4x suppose X increases from 25 to 28. How much will the predicted Y change? Correlation and Regression Analysis In this regression equation: y(hat) = 10 + 4x suppose X increases from 25 to 28. How much will the predicted Y change? a. 3 b. 1/3 c. 10 d. 12 e. 22 Answer: d. 12 Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+