Keyword Analysis & Research: do i need a cover letter to apply for a job

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
do i need a cover letter to apply for a job	1.49	0.5	2875	20	43
do	0.77	0.4	8870	72	2
i	1.32	1	2058	38	1
need	0.94	0.7	5960	39	4
a	0.65	0.1	7308	52	1
cover	0.53	0.3	7944	1	5
letter	0.84	0.9	7566	27	6
to	1	0.5	8139	31	2
apply	0.35	0.5	4504	70	5
for	0.58	0.3	647	10	3
a	1.99	0.1	5764	52	1
job	1.46	0.9	9590	30	3

Keyword	CPC	PCC	Volume	Score
do i need a cover letter to apply for a job	0.03	0.4	7119	5