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 3 5 2.24 2.76 7.24 0.53 9.47 -1.71 11.71
20 12 10 3.16 6.84 13.16 3.68 16.32 0.51 19.49
30 18 15 3.87 11.13 18.87 7.25 22.75 3.38 26.62
40 21 20 4.47 15.53 24.47 11.06 28.94 6.58 33.42
50 27 25 5.00 20.00 30.00 15.00 35.00 10.00 40.00
60 30 30 5.48 24.52 35.48 19.05 40.95 13.57 46.43
90 48 45 6.71 38.29 51.71 31.58 58.42 24.88 65.12
120 67 60 7.75 52.25 67.75 44.51 75.49 36.76 83.24
180 98 90 9.49 80.51 99.49 71.03 108.97 61.54 118.46
240 131 120 10.95 109.05 130.95 98.09 141.91 87.14 152.86
300 164 150 12.25 137.75 162.25 125.51 174.49 113.26 186.74