Regression Analysis and Prediction: Third Exam and Final Exam Scores

Examines regression analysis in predicting exam performance.

Amelia Ward

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Regression Analysis and Prediction: Third Exam and Final Exam ScoresP 10In the format they want for P assignments, please. Need within 48 hours or soonerplease.1.A random sample of 11 statistics students produced the following data wherexis the thirdexam score, out of 80, andyis the final exam score, out of 200.THIRDEXAMSCORE (X)FINALEXAMSCORE (Y)2XX2YYXXYY6517517.4876211.5702-60.8264671334.76033753.752159.9008711853.30579602.479344.6281711633.305796.47934.62816612610.1241187.1157109.62817519833.85121409.6612218.4463671534.7603355.570216.2645701630.669426.47932.0826711593.305792.1157-2.6446691510.0330689.38841.7190691590.033062.11570.2645Total761176581.63644326.7273394.0909Mean69.182160.455A)Predict the final score if the person obtains a third exam score of 68.221Here164,326.727381.6364394.0909394.0909ˆThe slope of the population linear regression line,4.827481.6364The-intercept of the population linear regressiYYXXXYXYXXnSYYSXXSXXYYSSy01on line,11ˆˆ1, 7654.8274 761173.513411yxn 

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