Seti ya Data
9, 12, 23, 22, 16, 21, 20, 23
Namba zilizotenganishwa kwa koma
Sampuli
Idadi ya watu
Mkengeuko wa Kawaida
σ =
5.3385
s =
4.9937
Tofauti
σ2 =
28.5
s2 =
24.9375
Idadi
n =
8
n =
8
Wastani
μ =
18.25
x̄ =
18.25
Jumla ya Mraba
SS =
199.5
SS =
199.5
Kulikuwa na hitilafu katika hesabu yako.