4 6 9 2. (20 pts) The following data represent the number of flash drives sold per day at a local computer shop and thei
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4 6 9 2. (20 pts) The following data represent the number of flash drives sold per day at a local computer shop and thei
4 6 9 2. (20 pts) The following data represent the number of flash drives sold per day at a local computer shop and their prices. Price (x) Units Sold (v) 34 3 36 32 35 5 30 2 40 1 a. Develop a least squares regression line and explain what the slope of the line indicates. b. Compute the coefficient of determination and comment on the strength of relationship between x and y. c. Calculate the F statistic to test the significance of the coefficient of determination. Perform an F test and determine if the price and the number of flash drives sold are related. Let a=.01. d. Calculate the t statistic to test the significance of the slope of the regression. Perform at test and determine if the price and the number of flash drives sold are related. Let a=.01. 38 1
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