Keyword Analysis & Research: where did the term black ball originate

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
where did the term black ball originate	0.89	0.9	5318	41	39
where	0.65	0.5	2509	91	5
did	1.3	0.9	7962	83	3
the	0.32	0.3	2527	79	3
term	0.29	0.9	586	73	4
black	0.15	0.5	1235	10	5
ball	1.28	0.1	8905	45	4
originate	1.36	0.2	3301	81	9

Keyword	CPC	PCC	Volume	Score
where did the term black ball originate	1.8	1	307	42