Math 246 Project 2 Sample KEY

# Math 246 Project 2 Sample KEY - Project Two Sample-KEY You...

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Project Two Sample ---KEY: You will be graded on three basic levels: ability to use MINITAB, statistical written explanation, and proper use of English. Consider the following data reflecting lengths (explanatory variable) of stay in the hospital (recorded in days) and the total charge (response variable) for six patients undergoing minor surgical procedures: Length of stay 5 7 9 10 12 15 Total charge 6 5 7.2 8 9.4 7.9 Use MINITAB to generate a scatter plot, to estimate correlation, simple linear regression equation, compute the coefficient of determination in terms of percentage, and analyze the residuals. In the explanation include the proper interpretation in the context of the data of estimated slope, estimated y-intercept, estimated correlation coefficient, estimated coefficient of determination, the estimated regression equation. Using the necessary MINITAB analyses answer the question: Is the model appropriate? Why? Write a short but detailed answer

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## This note was uploaded on 05/17/2010 for the course MATH 246 taught by Professor Applebaugh during the Spring '10 term at University of Toronto.

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Math 246 Project 2 Sample KEY - Project Two Sample-KEY You...

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