Question

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,

)
580	72.8
808	99.88
805	98.55
976	118.36
961	107.71
540	57.4
861	96.71
528	68.08
294	27.34

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

Use the model above to estimate the cost when number of pages is 357
Cost = $ (Please show your answer to 2 decimal places.)

Answer 1

if x=357

=39.27

Cost =$ 39.27 when number of pages is 357