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) 824 76.68 573 52.11 683 58.81 634 58.38 862 82.34 279 37.53 397 51.79 889 86.23 405 51.35

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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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)
824 76.68
573 52.11
683 58.81
634 58.38
862 82.34
279 37.53
397 51.79
889 86.23
405 51.35



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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 621
Cost = $ ( 2 decimal places.)

 

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