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Distance to School Cost of Supplies (Miles) (USD) 200 40 300 10 2000 19 350 164 400 0 130 20 150 0 2800 0 1000

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Distance to School Cost of Supplies (Miles) (USD) 200 40 300 10 2000 19 350 164 400 0 130 20 150 0 2800 0 1000 26 100 0 350 18 300 18 400 7 800 22 85 28Collect the Data Use eight members of your class for the sample. Collect bivariate data (distance an individual lives from school, the cost of supplies for the current term). 1. Complete the table. Distance from school Cost of supplies this term 2. Which variable should be the dependent variable and which should be the inde- pendent variable? Why? 3. Graph \"distance\" vs. \"cost.\" Plot the points on the graph. Label both axes with words. Scale both axes. Analyze the Data. Enter your data into your calculator or computer. Write the linear equation, rounding to four decimal places. 1. Calculate the following for y" = a. + has: (8J3 03)!) (C) ) ((1 equation: 3;: (this is the y-coordinate of our equation - b if you wish) (this is the slope of our equation - m if you Wish) correlation (r): (e) n: (f) Is the correlation signicant? Why or why not? (Answer in one to three complete sentences. 2. Supply an answer for the following scenarios: (a) For a person who lives eight miles from campus, predict the total cost of supplies this term: (b) For a person who lives eighty miles form campus, predict the total cost of supplies this term: 3. Obtain the graph on your calculator or computer. Sketch the regression line. Discussion Questions 1. Answer each question in complete sentences. (a) Does the line seem to t the data? (b) What does the correlation imply about the relationship beteen the distance and the cost? 2. Are there any outliers? If so, which points is an outlier? 3. Should the outlier, if it exists, be removed? Why or why not

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