MIXED NOTATION FOR WINTER Flashcards
1
Q
Ho
A
Null Hypothesis
2
Q
n
A
sample size
3
Q
x-bar
A
sample mean
4
Q
s^2
A
sample variance
5
Q
54321
A
5! Meaning
6
Q
Outlier fences
A
Q1- 1.5IQR and Q3+1.5IQR
7
Q
y-hat
A
predicted y
8
Q
IQR
A
Q3-Q1
9
Q
sigma^2
A
population variance
10
Q
predicted y
A
y-hat
11
Q
1/p
A
Expected first success?
12
Q
p
A
pop proportion
13
Q
sigma
A
population st. dev
14
Q
Null Hypothesis
A
Ho
15
Q
population st. dev
A
sigma
16
Q
Expected number of successes?
A
np
17
Q
population mean
A
mu
18
Q
P(A) = P (A|B) and P(A)*P(B)=P(A and B)
A
two independence formulas
19
Q
n! / r! n-r!
A
nCr formula
20
Q
sample proportion
A
p-hat
21
Q
y - yhat
A
Residual
22
Q
2* root (pq/n)
A
ME for 1 prop (95% interval)
23
Q
sample size
A
n
24
Q
population variance
A
sigma^2
25
5! Meaning
5*4*3*2*1
26
Alternative Hypothesis
Ha
27
difference of sample proportions
phat 1 - phat 2
28
SE for 1-mean inference
sigma/root n
29
p 1 - p 2
difference of population proportions (%)
30
sigma/root n
SE for 1-mean inference
31
np
Expected number of successes?
32
p-hat
sample proportion
33
sample mean
x-bar
34
Expected first success?
1/p
35
xbar 1 - xbar 2
difference of sample means
36
nCr formula
n! / r! n-r!
37
population size
N
38
sample variance
s^2
39
s
sample st. dev
40
phat 1 - phat 2
difference of sample proportions
41
ME for 1 mean (95% interval)
2* s/root n
42
root (pq/n)
SE for 1-proportion inference
43
Q3-Q1
IQR
44
mu 1 - mu 2
difference of population means
45
Ha
Alternative Hypothesis
46
2* s/root n
ME for 1 mean (95% interval)
47
Residual
y - yhat
48
SE for 1-proportion inference
root (pq/n)
49
two independence formulas
P(A) = P (A|B) and P(A)*P(B)=P(A and B)
50
ME for 1 prop (95% interval)
2* root (pq/n)
51
sample st. dev
s
52
Q1- 1.5IQR and Q3+1.5IQR
Outlier fences
53
difference of sample means
xbar 1 - xbar 2
54
difference of population means
mu 1 - mu 2
55
pop proportion
p
56
difference of population proportions (%)
p 1 - p 2
57
N
population size
58
mu
population mean
