# 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

5*4*3*2*1

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