Ex: Find the range, standard deviation, and variance for the following sample of the number of chips in nine randomly sampled fun-sized bags of Doritos. 25 31 28 19 24 26 29 32 20 x x-x (x-x) Range: 51 19 19-26-7 (-7)=49 20 20-26--6 (-6) = 36 Standard deviation: 26 Variance: 676 24 24-26-2 (-2) = 4 25 25-26-1 (1) = 1 26 26-26-0 (0) = 0 28 28-26-2 (2) = 4 29 29-26-3 (3) = 9 31 31-26-5 (5) = 25 32 32-26-6 (6) = 36 =234 (x-x) = 164 Use the alternative form to find the standard deviation. Standard Deviation; ?? Question: If you bought a bag of chips everyday, would you prefer have a small or large standard deviation between bags? Small deviation x 19 361 20 400 24 576 25 625 26 676 28 784 29 841 31 961 32 1024 =234 Ex = 6248 to