How do you calculate section b?

3.2.17 Question Help The following data represent exam scores in a statistics class taught using traditional lecture and a class taught using a "flipped" classroom. Complete parts (a) through (c) below Traditional 709 68.7 796 685 852 794 558 0 814 815 71.1 62 8 69 4 59 9 Flipped 772 720 632 726 782 919 798 76.8 812 69.7 90.5 775 76 4 (a) Which course has more dispersion in exam scores using the range as the measure of dispersion? The traditional course has a range of 29 4 . while the "flipped" course has a range of 28.7 . The traditional course has more dispersion (Type integers or decimals. Do not round.) (b) Which course has more dispersion in exam scores using the sample standard deviation as the measure of dispersion? The traditional course has a standard deviation of . while the "flipped" course has a standard deviation of |The course has more dispersion (Round to three decimal places as needed.)