(x + 2), x and (x – 1) are the frequencies of the numbers 12, 15 and 20 respectively.  If the mean of the distribution is 14.5, the value of x is
(a)	2	(b)	3	(c)	4	(d)	5

Question ID - 150885 | SaraNextGen Top Answer

(x + 2), x and (x – 1) are the frequencies of the numbers 12, 15 and 20 respectively.  If the mean of the distribution is 14.5, the value of x is
(a)	2	(b)	3	(c)	4	(d)	5