Keyword Analysis & Research: how to calculate root mean square error

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to calculate root mean square error	1.21	1	7348	58	39
how	0.32	0.9	1763	20	3
to	1.4	0.3	8169	3	2
calculate	0.53	0.7	959	62	9
root	1.78	0.1	9101	58	4
mean	0.55	0.6	3620	92	4
square	1.77	1	3914	28	6
error	1.52	0.2	3180	49	5

Keyword	CPC	PCC	Volume	Score
how to calculate root mean square error	1.92	0.3	3417	19