Statistika kolmas kontrolltöö
5 2620
71 80 22 75.5 1661
81 90 14 85.5 1197
91 100 6 95.5 573
260 13237.5
aritmeetiline keskmine Exi*f / Ef 50.9134615385
dispersioon E((xi-xkeskm)^2)*f / Ef 411.0838572485
standardhälve (ruutjuur disp) 20.2752030137
(xi-xkeskm)^2 ((xi-xkeskm)^2)*f
2108.04595044 10540.2297522189
1254.11325814 20065.8121301775
645.844027367 15500.2566568047
237.574796598 7839.9682877219
29.3055658284 1230.8337647929
21.0363350592 1220.107433432
212.76710429 8510.6841715976
604.497873521 13298.9532174556
1196.22864275 16747.2009985207
1987.95941198 11927.7564718935
106881.802884615
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