Scatter Diagrams Correlation Classifications
Use the minitab regression output for the manatee example to predict the expected number of manatees killed when the number of power boat registrations is 850,000 (x = 85) Chapter 5 # 48 Regression Output • The sample regression equation is: ManateesKilled = -112.7 + 2.27(boats) • So: ManateesKilled = -112.7 + 2.27(85) = 80.25
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www.stat.colostate.eduRegression Analysis: CourseGrade versus Problems The regression equation is CourseGrade = 44.8 + 0.355 Problems Predictor Coef SE Coef T P Constant 44.827 4.344 10.32 0.000 Problems 0.35519 0.05898 6.02 0.000 S = 2.346 R-Sq = 78.4% R-Sq(adj) = 76.2% Figure 1: Regression plot for the grade versus homework study ...
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