how to solve

Keep using this same data set for this question and the next questions: The following data set gives information on the number of megapixels and the prices of nine randomly selected point-and short digital cameras that were available on BestBuy.com on July 22, 2009. Megapixels (x): 10.3 10.2 7.0 9.1 10.0 121 8.0 5.0 14.7 Price ($) (y): 130 150 62 160 200 280 125 60 400 The least squares line can be used to price for a megapixels of 16