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Lab8 - Lab#8 Scatter Plots and Correlation SOLUTION Due...

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Lab #8 – Scatter Plots and Correlation SOLUTION Due Friday, April 11, 2008 at the beginning of class For this lab we will use two data sets. The data sets are available in the accompanying Excel Workbook. Fitness The first data set is on the worksheet titled “Fitness”. This data set gives measurements made on men involved in a phyical fitness course at N.C. State University (and taken from the SAS documentation). The variables are: Age (in years) Weight (in kilograms) Oxygen Intake Rate (in ml per kg body weight per minute) Time to Run 1.5 miles (in minutes) Heart Rate (pulse) while Resting Heart Rate (pulse) while Running (taken at the same time Oxygen rate was measured) Maximum heart rate recorded while running Children The second data set is on the worksheet titled “Children”. The data set is from Lewis and Taylor, 1967 ( and taken from the SAS documentation.) The variables are: Age (in months) Height (in inches) Weight (in pounds) 1. For the following questions, use the “Fitness” data set. a. Make a nice table giving the Pearson Correlation Coefficients for all pairs of variables in this data set. Use SAS to get the correlations, but do not paste SAS output here. Age Weight Oxygen Intake Run Time Resting Pulse Running Pulse Max. Pulse Age 1.000 -.234 -.305 0.189 -.164 -.338 -.433 Weight 1.000 -.163 0.144 0.044 0.182 0.249 Oxygen Intake 1.000 -.862 -.399 -.398 -.237 Run Time 1.000 0.450 0.314 0.226 Resting Pulse 1.000 0.352 0.305 Running Pulse 1.000 0.930 Max. Pulse 1.000
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