Each statistical tests or methods has its own terminology and symbols, but the following are commonly used by all statisticians / researchers
N – Size of population
n - number of observations (sample size)
K - number of samples (each having n elements)
α (Alpha) - level of significance
v (Nu)- degrees of freedom
σ (Sigma)- standard deviation (population)
s - standard deviation (sample)
σ2 (Sigma)- Variance(population)
s2 - Variance (sample)
μ (Mu)- population mean
ρ (Rho)- population correlation coefficient
r - sample correlation coefficient
β (beta)- regression coefficients (population)
b - regression coefficients (sample)
Z - standard normal deviate
To understand types of error - WHAT ARE TYPE I AND TYPE II ERRORS?
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