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QUESTION 1 PCWorld rated four component characteristics for 10 ultraportable laptop computers: features, performance, design, and price. Each characteristic was rated using a 0-100 point scale. An overall rating, referred to as the PCW World Rating, was then developed for each laptop. The following table shows the features rating and the PCW World Rating for the 10 laptop computers (PC World website, February 5, 2009). Model Features Rating PCW World Rating Thinkpad 87 83 VGN-Z598U 85 82 U6V 80 81 Elitebook 2530P 75 78 X360 80 78 Thinkpad X300 76 78 Ideapad U110 81 77 Micro Express JFT2500 73 75 Toughbook W7 79 73 HP Voodoo Envy133 68 72 Using appropriate statistical software, you are required to: d. Graph the regression equation and the data points. e. Identify outliers and potential influential observations. f. Compute and interpret the coefficient of determination, r 2