Keyword Analysis & Research: what do you mean by interpolation

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what do you mean by interpolation	0.59	0.4	4749	93	33
what	1.9	0.3	5398	42	4
do	0.39	1	7596	50	2
you	1.72	0.3	8952	48	3
mean	0.35	0.2	4233	92	4
by	0.77	1	2000	90	2
interpolation	0.27	0.6	5364	83	13

Keyword	CPC	PCC	Volume	Score
what do you mean by interpolation	2	0.8	3181	17