Statistika ülesanded
68
20-40 30 6 180 5400 388.88
40-60 50 7 350 17500 0.08
60-80 70 1 70 4900 411.28
80-100 90 6 540 48600 1622.48
k=5 ∑ 25 1190 76900 4000.39
λ 0.020113 a 0
b 100
Interval ni F0 pi n i' X2
0-20 5 0.2 0.2 5 0
20-40 6 0.4 0.2 5 0.2
40-60 7 0
annaabi.ee 
