58 71 71 71 71 72 72 72 72 150 Actual Standard deviation = RROT Estimate = % Error = 3. Data Set 3: 2 outliers 50 90 95 95 100 100 105 105 110 150 Actual Standard deviation = RROT Estimate = % Error = 4. Data Set 4: Normal (Bell-Shaped) Distribution 64 77 85 92 97 103 108 115 123 136 Actual Standard deviation = RROT Estimate = % Error = 5. Data Set 5: Uniform Distribution (evenly-spaced values) 69 76 83 90 97 104 111 118 125 132 Actual Standard deviation = RROT Estimate = % Error =