Keyword Analysis & Research: what is the notation used for the mean of x

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the notation used for the mean of x	0.1	0.7	7817	7	43
what	1.58	0.4	1929	75	4
is	1.53	0.9	9779	91	2
the	1.28	0.4	3698	27	3
notation	1.04	0.8	6970	39	8
used	0.38	0.9	7196	1	4
for	0.6	0.4	6708	19	3
the	1.97	0.1	2508	15	3
mean	0.17	0.2	3074	65	4
of	1.6	0.6	9805	92	2
x	1.45	0.8	5402	60	1

Keyword	CPC	PCC	Volume	Score
what is the notation used for the mean of x	0.86	0.2	1883	38