Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore, and recorded number of pages in each textbook and its cost. The bivariate data is shown below, Number of Pages (x) 266 899 831 590 684 599 800 968 615 Cost(y) 38.26 127.89 107.41 78.9 84.24 77.89 102 125.48 95.65 a. A student calculates a linear model y=   x+ . (Please show your answers to two decimal places) b. Use the model above to estimate the cost when number of pages is 471 Cost =           $ (Please show your answer to 2 decimal places.)

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Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore, and recorded number of pages in each textbook and its cost. The bivariate data is shown below,

Number of Pages (x)
266
899
831
590
684
599
800
968
615

Cost(y)
38.26
127.89
107.41
78.9
84.24
77.89
102
125.48
95.65

a. A student calculates a linear model y=   x+ . (Please show your answers to two decimal places)

b. Use the model above to estimate the cost when number of pages is 471
Cost =           $ (Please show your answer to 2 decimal places.)

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