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This Question: 1 pt 12 of 15 (10 complete v This Quiz: 15 pts pos The regression

ID: 3171173 • Letter: T

Question

This Question: 1 pt 12 of 15 (10 complete v This Quiz: 15 pts pos The regression of price on cPu speed of laptops had -92.8%. Answer the questions below. a) What is the correlation between CPU speed and price? r- d to three decimal places as needed.) b) What would you predict about the price of a laptop one standard deviation above average in cPu speed? O A. The price of a laptop that is one standard deviation above the mean cPU speed would be predicted to cost rtimes the mean price. o B. The price of laptop that is one standard deviation above the mean cPu speed would be predicted to be r standard deviations below the mean price. O c. The price of a laptop that is one standard deviation above the mean CPU speed would be predicted to be r standard deviations above the mean price. O D. There is not enough information to make a prediction. c) What H III Vi B. (ru) More Click to select your answer(s). Ho 40 E ENG 640 PM 2/24/2017

Explanation / Answer

1.Given R2 = 0.928, r = sqrt (0.928) = 0.9633

2.as you have not presented any data I am opting for option D for both 2 ,3 questions if you have data about the CPU prices and speed analyse and keep the answer

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