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MM207 Unit 9 Final Project Assignment and Template Kaplan University

Final project assignment and template for Unit 9 of MM207.

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    MM207 Unit 9 Final Project Assignment and Template MM207 Unit 9 Final Project Assignment and Template 1. Correlation, Scatterplots, and Prediction a) Which relationship is stronger, the relationship between GPA and AGE or the relationship between GPA and SAT score? Be sure to include all appropriate measures and explain and defend your answer. Is this result what you would expect, why or why not? Correlation between GPA and AGE 0.233751 Correlation between GPA and SAT score 0.320311 Looking at the co rrelation values we see that the correlation between GPA and SAT is more than GPA and AGE. Hence the relationship between GPA and SAT score is stronger than the relationship between GPA and AGE. The result is as expected as GPA and SAT both being related to scores are more co r related to each other than AGE. b) Create and paste in a scatterplot that compares Final Exam Score and Project Score. What is the correlation (r - value)? How would you describe the correlation (positive, negative, strong, weak, medium, none)? Include the “trendline” and “equation of the trendine” as part of your scatterplot.

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    MM207 Unit 9 Final Project Assignment and Template The correlation (r - value) = sqrt(. 1429 ) = .378 The correlation is positive hence project score and final score both have similar behavior, that is both of them increases or decreases together. But the strength of the relationship bet ween the two is week as t he r - value is close to 0 than 1. c) Using the equation from your above scatterplot trendline, predict (estimate) the Project score for a person who gets a final exam score of 82. Show all of your work. y = 0.2836x + 54.747 So, the project score of a person whose final exam score 82 is y = 0.2836*82 + 54.747 = 78.002 2. Comparing and Describing Data For the Final Exam Score and then for the Project Score, calculate the mean, median, mode, range, standard deviation, and variance. (Hint: remember to use the sample std dev and sample variance). Final exam Project y = 0.2836x + 54.747 R² = 0.1429 0 20 40 60 80 100 120 0 20 40 60 80 100 120 Project score Final exam score

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