Where the X's ('X-bar-one' and 'X-bar-two') are the means of the two independent samples (hence this is called an independent-samples t-test), the 's' represents the standard deviation for each group, and the N's each represent the respective sample sizes of each group.
Definition of anchovy - a small shoaling fish of commercial importance as a food fish and as bait. It is strongly flavoured and is usually preserved in sa Definition of anchovy - a small shoaling fish of commercial importance as a food fish and as bait. It is strongly flavoured and is usually preserved in sa dictionary
Definition of melancholia. : a mental condition and especially a manic-depressive condition characterized by extreme depression, bodily complaints, and often hallucinations and delusions.