Find the mean of the given data {a, b, a, a, b, a, b, c, a, b, a, c, a, b, a}, where a is less than b and b is less than c.

Find the mean of the given data {a, b, a, a, b, a, b, c, a, b, a, c, a

1.	Find the mean of the given data {a, b, a, a, b, a, b, c, a, b, a, c, a, b, a}, where a is less than b and b is less than c.
A.	(3a + 2b + 4c)/9
B.	(8a + 4b + 2c)/15
C.	(8a + 5b + 2c)/15
D.	(8a + 5b +c)/15
Answer» D. (8a + 5b +c)/15