The following table gives the size and cost of a line of Samsung LCD HDTV televisions. Screen size (inches) 23 27 32 Cost ($) 250.00 340.00 420.00.
(a) Name your variables and find the best fitting linear model.
(b) What is the significance of the slope? Give a full explanation.
(c) Use your model to estimate the cost of the new 42 inch television.