Keyword Analysis & Research: how to know the standard deviation

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to know the standard deviation	1.82	0.3	9619	54	34
how	0.53	0.5	8943	75	3
to	1.16	0.6	5354	17	2
know	1.28	0.9	8950	7	4
the	0.42	0.5	7712	83	3
standard	1.01	0.5	9690	91	8
deviation	0.97	0.8	449	43	9

Keyword	CPC	PCC	Volume	Score
how to know the standard deviation	0.88	0.5	4725	57