Analyzing the Relationship Between GPA and Final Exam Scores: A Regression AnalysisApproachCase Study 1A fifth grade science teacher wants to know if there is a relationship between final exam scores andoverall course points after adjusting for aquiz score. (Hint: In order to be successful, be sure to include ascatterplot to evaluate the various assumptions).Solution:Null Hypothesis (Ho):There is no relationship between final exam scores and overall course pointsafter adjusting for a quiz score.Alternative Hypothesis (Ha):There is a relationship between final exam scores and overall coursepoints after adjusting for a quiz score.Descriptive StatisticsMeanStd. DeviationNfinal exam score56.12501.8266720Course Points1125.9500124.9389220quiz score77.803720.0413920CorrelationsControl Variablesfinal examscoreCourse Pointsquiz scorefinal exam scoreCorrelation1.000.482Significance (2-tailed)..036df017Course PointsCorrelation.4821.000Significance (2-tailed).036.df170Preview Mode
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