215 PASW _2,Summer 2010 - PASW/SPSS Homework #2 (65 points)...

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PASW/SPSS Homework #2 (65 points) STA 215: Introductory Applied Statistics Dr. Jann-Huei Jinn 1. Download the file, “R:\Jinn\hw2”, it provides information on a random sample of 50 houses sold in Grand Rapids, Michigan, in year 2000. Use the two variables in part (d) to a. Construct a scatter plot for the two variables used in part (d). Draw the regression line on the scatter diagram. Turn in the PASW output. (6) b. Based on the scatter polt, do they have positive or negative association? (2) Do they have strong, moderate or weak linear relationship? (2) c. Report the correlation coefficient and the regression line equation. Turn in the PASW output (6) d. What is the predicted selling price of a 1600 square feet house in Grand Rapids to be? (4) Note: you have to identify the independent (explanatory) and dependent(response) variables correctly, otherwise you will make a terrible mistake. The hint is in part (d). 2. Download the file, “R:\Jinn\bootstrap”, it provides information on a random sample of
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215 PASW _2,Summer 2010 - PASW/SPSS Homework #2 (65 points)...

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