Lyrics © 2015 by Larry Lesser, music by Dominic Dousa
Greek letters refer to the population.
Mu (μ) stands for mean, sigma's (σ) standard deviation,
Greek letters refer to the population.
Beta (β) is the slope, rho (ρ) is the correlation.
Description of part, not whole
that's what sample statistics are:
standard deviation's s, the mean is x-bar (x̄) ,
the slope is b, the correlation's r.
A sample statistic estimates a population parameter;
Now that we know this, we're sure to be no statistical amateur!