Keyword Analysis & Research: who invented homework and why was it invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who invented homework and why was it invented	1.47	0.5	2203	97	45
who	0.78	0.4	2010	2	3
invented	1.2	0.7	2904	46	8
homework	1.6	0.7	7606	63	8
and	0.89	0.3	964	99	3
why	1.38	0.7	1964	17	3
was	0.83	0.2	2647	1	3
it	1.93	0.9	8395	5	2
invented	0.76	0.1	1849	76	8

Keyword	CPC	PCC	Volume	Score
who invented homework and why was it invented	1.08	1	9616	4