Question

Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below:

Number of Pages (xx)	Cost(yy)
292	40.28
697	63.73
386	49.74
536	50.24
503	59.27
264	20.76
329	28.61
838	92.42
236	38.24
543	59.87

A student calculates a linear model
yy =  xx + . (Please show your answers to two decimal places)
Use the model to estimate the cost when number of pages is 336.
Cost = $ (Please show your answer to 2 decimal places.)

Answer 1