Keyword Analysis & Research: what does isolate the variable mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does isolate the variable mean	1.67	0.7	1112	23	35
what	1.41	0.8	6358	75	4
does	0.06	0.5	9361	65	4
isolate	1.67	0.2	1653	20	7
the	1.36	0.4	895	63	3
variable	1.58	0.6	2904	59	8
mean	1.23	0.9	2834	43	4

Keyword	CPC	PCC	Volume	Score
what does isolate the variable mean	0.88	1	5283	97