3. For the grouped frequency distribution of daily high temperatures for City X from the prior module: a. Calculate the mean and standard deviation b. Calculate the range of high temperatures within one, two, and three standard deviations of the mean. High Temp % cf C% 20 - 29 9 2.5% 9 2.5% 30 - 39 23 6.3% 32 8.8% 40 - 49 32 8.8% 64 17.5% 50 -59 75 20.5% 139 38.1% 60 - 69 90 24.7% 229 62.7% 70- 79 77 21.1% 306 83.8% 80 - 89 34 9.3% 340 93.2% 90 - 99 19 5.2% 359 98.4% 100 - 109 6 1.6% 365 100.0% Total 365 100.0%