how to solve

Keep using this same data set for this question: 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 12.1 8.0 5.0 14.7 Price ($) (y): 130 150 62 160 200 280 125 60 400 Calculate the amount of unexplained variation in the y variable. [answer should be in decimal form, rounded to 3 decimal places]