Keyword Analysis & Research: how to find variance of scores

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to find variance of scores	0.67	0.4	4882	76	30
how	1.45	0.4	7234	73	3
to	0.18	1	7056	89	2
find	0.98	0.2	8095	10	4
variance	0.7	0.7	9179	8	8
of	0.56	0.5	8704	52	2
scores	0.33	1	7417	55	6

Keyword	CPC	PCC	Volume	Score
how to find variance of scores	1.98	1	1564	46