Project 14 KEY - 300 200 100 0 100 200 Project 14 _/20...

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200 100 0 -100 -200 -300 -400 -500 Square footage, x R E S I 1 Residuals vs Square footage Project 14 ______________/20 KEY Chapter 14 READ EVERYTHING CAREFULLY : Show all your work. Indicate clearly the methods you use, because you will be graded on the correctness of your methods as well as on the accuracy of your results and explanation. Use complete sentences when appropriate; u se complete mathematical sentences when appropriate; when necessary show your verification of the assumptions. Failure to do so may result in a lower score. If you present parallel solutions, I will grade the lesser of the two The following data represent the square footage and rents for apartments in Queens, New York: Square footage, x Rent per month, y 500 650 588 1215 1000 2000 688 1655 825 1250 1259 2700 650 1200 560 1250 1073 2350 1452 3300 1305 3100 Test whether a linear relation exists between the explanatory variable and the response variaible at the level of significance of 0.05. Conduct a complete regression analysis of these data. Include all necessary MINITAB output. Determine whether the residuals are normally distributed. Comment on the correlation coefficient, and coefficient of determination when discussion whether or not the linear model is appropriate for these variables. Test the null
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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 Arkansas Community College at Morrilton.

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Project 14 KEY - 300 200 100 0 100 200 Project 14 _/20...

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