Ap stats notation symbol chapter 7

Ap statistics chapter 7 symbol notation

N

Population Size

n

sample size

S

Sample Standard deviation

mu/ μ

population mean

x bar/xˉ

sample mean

p hat/p^

sample proportion

p

population proportion

sigma 2/σ2

population variance

s2

sample variance

sigma p hat/σp^

standard deviation of the sample proportion

sigma/σ

standard deviation of population

mu x bar/μx

mean of the sample mean

sigma x bar/σx

standard deviation of sample mean

mu p hat/μp^

mean of the sample proportion

sigma p hat 2/σp2

variance of the sample proportion

sigma x bar 2./σxˉ2

variance of sample mean