Also calculate the range of high temperatures within one, two and three standard deviations of the mean. (HINT: Start with the mean in calculating the ranges)

3 For the grouped frequency distribution of daily high temperatures for city a from week 2., root, No muffins g. Calculate the mean and standard deviation Tempt f 20- 29 2.5% . 9 2.51 30 - 39 2 3 6. 31 . 32 8.81 40 - 49 32 8. 76%. 64 17- 537 50- 59 73 201 137 37. 537 60- 69 9 1 24.931. 2 28 62. 57. 70 -79 78 21. 361 . 30% 83. 847 80 - 89 33 9.047 . 3 39 931. 90 - 99 20 5.47 1 359 98 4%. 100 - 109 1.641 365 160% Total 365 10 0/