Stats Symbols

n

Sample size.

p

Population proportion.

P̂

Sample proportion.

𝛍p̂

Mean of sample distribution of P̂.

𝛍

Population mean.

𝛔

Population standard deviation.

𝛔p̂

Standard deviation of sample distribution of P̂.

X̄

Sample mean.

𝛍x̄

Mean of sample distribution of X̄.

𝛔x̄

Standard deviation of sample distribution of X̄.

Sx

Standard deviation of the sample.

p-value

The probability (likelihood) that observed data would have occurred by chance.