Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore, and recorded the number of pages in each textbook and its cost. The bivariate data is shown below, Number of Pages (xx) Cost(yy) 375 48.75 927 92.43 699 75.91 393 33.37 378 44.02 717 78.53 919 96.71 938 87.42 224 21.16

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter11: Data Analysis And Displays
Section: Chapter Questions
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Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore, and recorded the number of pages in each textbook and its cost. The bivariate data is shown below,

Number of Pages (xx) Cost(yy)
375 48.75
927 92.43
699 75.91
393 33.37
378 44.02
717 78.53
919 96.71
938 87.42
224 21.16



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

Use the model above to estimate the cost when number of pages is 227
Cost = $ (Please show your answer to 2 decimal places.)

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