find mean and variance of random variable

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
find mean and variance of random variable	1.57	1	7272	78	41
find	1.53	0.5	484	1	4
mean	0.38	0.7	2778	40	4
and	0.51	1	2889	50	3
variance	1.66	1	4036	61	8
of	1.82	0.2	1465	15	2
random	1.54	0.3	9292	15	6
variable	1.33	0.5	5493	25	8

Keyword	CPC	PCC	Volume	Score
find mean and variance of random variable	1.48	0.1	3785	91
mean and variance of random variable	0.7	0.9	6150	17
find the mean of the random variable	0.27	0.8	9512	7
how to find variance of random variable	1.48	0.5	9333	92
find mean of random variable x calculator	1.26	0.8	550	79
find mean and variance	0.83	0.7	8983	99
mean of random variable formula	0.36	1	7647	25
mean value of random variable	1.01	0.4	8520	2
variance of a random variable formula	0.73	0.1	4479	53
mean and variance of discrete random variable	0.13	0.4	7576	85
variance of mean of random variables	0.53	0.3	3301	5
a random variable has a mean and a variance	0.72	0.4	8241	57
geometric random variable mean and variance	0.16	0.9	4712	84
continuous random variable mean and variance	1.07	0.9	3619	38
the mean and variance of a random variable x	0.67	0.8	9558	30