Monero block deviations

Time window (min) Observed blocks Expected blocks Std. Dev. Mean-SD Mean+SD Mean-2SD Mean+2SD Mean-3SD Mean+3SD
10 9 5 2.24 2.76 7.24 0.53 9.47 -1.71 11.71
20 14 10 3.16 6.84 13.16 3.68 16.32 0.51 19.49
30 23 15 3.87 11.13 18.87 7.25 22.75 3.38 26.62
40 28 20 4.47 15.53 24.47 11.06 28.94 6.58 33.42
50 30 25 5.00 20.00 30.00 15.00 35.00 10.00 40.00
60 34 30 5.48 24.52 35.48 19.05 40.95 13.57 46.43
90 53 45 6.71 38.29 51.71 31.58 58.42 24.88 65.12
120 64 60 7.75 52.25 67.75 44.51 75.49 36.76 83.24
180 94 90 9.49 80.51 99.49 71.03 108.97 61.54 118.46
240 128 120 10.95 109.05 130.95 98.09 141.91 87.14 152.86
300 156 150 12.25 137.75 162.25 125.51 174.49 113.26 186.74