why was the electric chair invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why was the electric chair invented	0.79	0.5	6615	94	35
why	1.86	0.6	3899	37	3
was	1.52	0.5	6759	62	3
the	0.51	0.4	486	44	3
electric	1.75	0.7	5793	70	8
chair	1.32	0.4	7431	17	5
invented	0.37	1	6677	94	8

Keyword	CPC	PCC	Volume	Score
why was the electric chair invented	1.57	0.7	6245	86
when was the electric chair invented	0.97	0.3	9373	10
when was the electric chair invented and why	1.89	0.7	7070	7
what year was the electric chair invented	0.93	0.5	9537	50
first use of the electric chair	1.72	0.5	1609	98
history of the electric chair	0.35	0.5	3218	46
inventor of the electric chair	1.09	0.9	9001	14
who created the electric chair	0.65	0.6	383	3
who made the first electric chair	2	0.2	6381	70
electric chair definition and history	0.14	0.6	6076	100
how did the electric chair work	0.97	0.5	8420	12
electric chair definition and origin	1.37	0.8	8483	5