How to solve and compute this data set? Please show how to solve.

256 287 254 286 158 Compute for each using the data set given below. 9. Variance 10. Standard Deviation Data Set: 321 253 176 128 254 245 265 284 276 157Compute for each using the data set given below. 1. Range 2. Mean Absolute Deviation 3. Variance 4. Standard Deviation Data Set: 67 80 56 63 45 88 87 89 86 58 Compute for each using the data set given below. 5. Range 6. Mean Absolute Deviation 7. Variance 8. Standard Deviation Data Set: 100 190 156 163 215