Find the range, mean deviation, variance and standard deviation of the following set of data. 126 - 134 6 117 - 125 22 108 - 116 43 99 - 107 28 90 - 98 9 Mean = 6. u.b. of the highest class interval = I.b. of the lowest class interval = Range = Show your solution. 9. Mean Deviation = 10. Variance = 11. Standard Deviation = Find the range, mean deviation, variance and standard deviation of the following set of data. 67-76 57-66 47-56 37-46 27-36 Mean = NOUAWNY u.b. of the highest class interval = I.b. of the lowest class interval = Range = Show your solution. 9. Mean Deviation = 10. Variance = 11. Standard Deviation =