is the oxford comma correct

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
is the oxford comma correct	1.68	0.1	9992	9	27
is	1.21	0.3	7510	64	2
the	0.24	0.4	6926	10	3
oxford	0.22	0.4	5177	3	6
comma	0.5	0.2	7763	98	5
correct	1.87	0.3	2551	89	7

Keyword	CPC	PCC	Volume	Score
is the oxford comma correct	0.82	0.4	7282	72
is oxford comma grammatically correct	0.56	0.2	135	32
how to use the oxford comma correctly	0.57	0.8	1166	90
correct use of oxford comma	1.93	0.2	6142	67
oxford comma correct or not	0.64	0.6	4871	60
is oxford comma correct	1.92	1	7800	53
oxford comma or oxford comma	0.31	0.9	7160	31
what is an oxford comma grammarly	0.9	0.9	4470	12
comma vs oxford comma	1.35	1	8611	5
oxford comma vs regular comma	1.77	0.3	8236	37
oxford comma practice grammar	0.42	0.3	2446	42
difference between comma and oxford comma	0.78	0.3	1470	32
define oxford comma in grammar	0.63	0.2	5747	80
oxford comma or not	1.45	0.3	6562	2