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 sample
p-value = probability (likelihood) observed data would have occurred by chance