Beteckningar Flashcards

1
Q

x^–

A

medelvärdet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

S

A

Utfallsrummet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

μ

A

popuationsmedelvärdet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Stora bokstäver X,Y

A

Betecknar slumpvariabler

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Små bokstäver x,y

A

betecknar faktiska värden på observationer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

N

A

Populationsstorleken

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

n

A

stickprovsstorleken

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

σ^2,s^2

A

varians

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

σ,s

A

standardavvikelse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

∩ , A ∩ B

A

snitt, A och B inträffar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

P(A)

A

sannolikheten för A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

P(B | A)

A

sannolikheten för B betingat av att A inträffat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

∪ , A ∪ B

A

union, A och/eller B inträffar, minst en av A eller B inträffar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A^c

A

Komplementet till A.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

, n!

A

n(n-1)(n-2) osv.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

σ_xy, s_xy

A

kovarians

17
Q

E(X)

A

Väntevärde

18
Q

Df

A

frihetsgrad

19
Q

^ngt

A

Skattat värde

20
Q

H_0

A

Nollhypotes

21
Q

H_A

A

Alternativhypotes

22
Q

f, w

A

frekvenser

23
Q

α

A

Sannolikhet för typ 1 fel.

24
Q

β

A

Sannolikhet för typ 2 fel

25
Q

λ

A

Konfidensintervall

26
Q

¯R

A

Riskfria räntan