##### Statistical Reasoning Notations

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Show:

1

x

a data value or a value from a population

2

n

sample size

3

Q_{1}

First quartile

4

Q_{3}

Third Quartile

5

x bar

sample mean

6

s

sample standard deviation

7

s^{2}

sample variance

8

p̂

sample proportion

9

a

significance level

10

r

sample correlation coefficient

11

H_{0}

null hypothesis

12

f

frequency

13

N

population size

14

Q_{2}

second quartile

15

Σ

sum

16

μ

population mean

17

σ

population standard deviation

18

σ^{2}

population variance

19

p

population proportion

20

df

the number of degrees of freedom

21

**ρ**

population correlation coefficient

22

H_{1}

alternative hypothesis