Cheat Sheet Statistics, Cheat Sheet of Statistics

Cheat sheet for statistics to learn the formulas

Typology: Cheat Sheet

2024/2025

Uploaded on 04/17/2025

zartofficials
zartofficials 🇿🇦

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Formulário
n
fX
n
X
X
n
i
ii
n
i
i
11
*
c
f
F
Kn
LP
i
i
K*
100
*
1
inf
k
A
hac t
c
f
F
Kn
LQ
i
i
K*
4
*
1
inf
c
f
F
Kn
LD
i
i
K*
10
*
1
inf
30
305
nsen
nse
K
)(2 1090
13
PP
QQ
K
a
fff
ff
LXMo
pamo
amo
i*
)(2
ˆ
c
ff
f
LXM
postant
post
o*
ˆinf
𝑘
=
1
+
3
,
3
×
log
(
𝑛
)
minmax XXAt
1
)(
1
2
2
n
fXX
S
n
i
ii
1
)(
1
2
n
fXX
S
n
i
ii
%100*
X
s
CV
 22
1)( XXn
YXXYn
b
)(2 1090
13
PP
QQ
K
XbYa
))()()(( 222
2
iiii
iiii
xy YYnXXn
YXYXn
r
𝑎
=
(
)
1)()()()()()( APAPBAPBPAPBAP
)(
)(
)/( BP
BAP
BAP
)()/(
)()/(
)/( APABP
APABP
BAP
i
𝑃(𝐴𝐵
)= 𝑃(𝐴)𝑃(𝐴 𝐵) 𝑃(𝐴∆𝐵)= 𝑃(𝐴)+ 𝑃(𝐵)2×𝑃(𝐴𝐵)
𝑃(𝐴 𝐵 𝐶)= 𝑃(𝐴)+𝑃(𝐵)+ 𝑃(𝐶) 𝑃(𝐴 𝐵)𝑃(𝐴 𝐶)𝑃(𝐵 𝐶)+ 𝑃(𝐴𝐵 𝐶)
Mediana : n -impar:
2
1
n
XMed n –par 2
2
2
2
nn XX
Med
Ponto Medio:
2
si
i
LL
X
𝑋
=(1𝑑)𝑋+𝑑𝑋 𝐼 = 𝑃𝐼 𝑛 + 1
2 𝑑 = 𝑃𝐷 𝑛+ 1
2
𝑄=(1𝑑)𝑋+𝑑𝑋 𝐼 = 𝑃𝐼 𝑟× 𝑛+ 1
4 𝑑 = 𝑃𝐷 𝑟 × 𝑛 + 1
4
𝐷=(1𝑑)𝑋+𝑑𝑋 𝐼 = 𝑃𝐼 𝑟 × 𝑛 + 1
10 𝑑 = 𝑃𝐷 𝑟 ×𝑛 + 1
10
𝑃=(1𝑑)𝑋+𝑑𝑋 𝐼 = 𝑃𝐼 𝑟 ×𝑛 +1
100 𝑑 = 𝑃𝐷 𝑟 ×𝑛 + 1
100

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Formulário

n

X f

n

X

X

n

i

i i

n

i

 i 

 

1 1

c

f

F

n K

P L

i

i

K

1

inf

k

A

c a h

t

c

f

F

n K

Q L

i

i

K

1

inf

  c

f

F

n K

D L

i

i

K

1

inf

n se n

se n

K

90 10

3 1

P P

Q Q

K

a

f f f

f f

Mo X L

mo a p

mo a

i

c

f f

f

M X L

ant post

post

o

inf

𝑘 = 1 + 3 , 3 × log(𝑛)

max min

A X X

t

1

2

2

n

X X f

S

n

i

i i

1

2

n

X X f

S

n

i

i i

X

s

CV 

2 2

1

n X ( X)

n XY X Y

b 

90 10

3 1

P P

Q Q

K

a YbX

2 2 2

2

i i i i

i i i i

xy

n X X n Y Y

n XY X Y

r 𝑎 =

∑ ௑

∑ ௒

ି ∑ ௑

∑ ௑

௡ ∑ ௑

ି (∑ ௑

)

P( A B)P(A)P(B)P(AB) P(A)P(A) 1

PB

P A B

P A B

P B A P A

PB A P A

P A B

i

− 2 × 𝑃(𝐴 ∩ 𝐵)

Mediana : n -impar:

2

 1

n

Med X n –par

2

2

2

n n

X X

Med Ponto Medio:

2

i s

i

L L

X

ூାଵ

ூାଵ

𝐼 = 𝑃𝐼 ൬𝑟 ×

൰ 𝑑 = 𝑃𝐷 ൬𝑟 ×

ூାଵ

𝐼 = 𝑃𝐼 ൬𝑟 ×

൰ 𝑑 = 𝑃𝐷 ൬𝑟 ×

ூାଵ

𝐼 = 𝑃𝐼 ൬𝑟 ×

൰ 𝑑 = 𝑃𝐷 ൬𝑟 ×