i
m
N i ↓= N i −1 ↓ + ni = ∑ nh
N i ↑= N i +1 ↑ + ni = ∑ nh
h =1
h =i
i
m
Fi ↓= Fi −1 ↓ + fi = ∑ f h
Fi ↑= Fi +1 ↑ + fi = ∑ f h
h =1
∑x x=
x=
i
n
s
2
−x
i
i
)
∑ (x − x ) n = ∑n
s
− x)
2
i
s=
U Qk = k ⋅
i
i
n +1 4
U Dk = k ⋅
n +1 10
IQ=Q3-Q1
m
n• j = ∑ nij
j =1
fi• =
i =1
nij
nij
f j /i =
n• j
ni • ; n••
f ij =
ni•
f• j =
n• j n••
nij n••
grup
∑x i =1
i
⋅ nij
n• j
p
p
∑ x j ⋅ n• j j =1
∑s s = 2
p
∑n j =1
2
j =1
2 j
p
n• j
p
∑n
•j
s =s +s 2 X
xi' =
i
i
ni • = ∑ nij
x=
' i
2
i
p
xj =
∑x n ∑n
i
∑ (x − x ) n ∑n
2
i
s ⋅ 100 x
pem
x=
i
n +1 2
fi / j =
ni ∑ ni
2
2
n
Medii
fi =
x = ∑ xi f i
i
n
∑ (x
U Me = v=
∑x n ∑n i
∑ (x =
s=
h =i
j =1
2 xj
k1 =
sx2 j s X2
s x2 j =
2 ∑ ( x j − x ) ⋅ n• j
j =1
p
∑ n• j
•j
j =1
k2 =
s2 s X2
xi −1 + xi 2