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AP Statistics Symbols 1 Flashcards | StudBud
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AP Statistics Symbols 1
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AP Statistics Symbols 1
12 terms
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some statistics symbols
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
H
o
null hypothesis
hypothesis
alternate hypothesis
something is different
2
H
a
null hypothesis
what you are trying to prove
no change
no difference
3
Standard Deviation of sample proportion
√pq/n
√npq
√phatqhat/n
s/√n
4
p
population mean
population proportion
sample proportion
sample mean
5
Standard Error of Sample Mean
s
s/√n
σ/√n
σ
6
The probability of getting a value like this given that the null hypothesis is true.
alpha
alternate hypothesis
probability
p value
7
p hat
population mean
sample proportion
sample mean
population proportion
8
μ
population proportion
sample proportion
population mean
sample mean
9
x bar
sample proportion mean
proportion mean
population mean
sample mean
10
Test is statistically significant
test always supports the claim that the null is true
important
test statistics has a p value higher than our alpha level
t statistics has a p value lower than our alpha level
11
σ
2
standard deviation
variance
binomial
mean
12
Margin of Error
s/√n
√pq/n
critical value × standard error
standard error
