Question

Find the mean of the data using an empirical formula when it is given that mode is 50.5 and median in 45.5.

Answer 1

LET THE MEAN BE x.
Emprical Relationship : 3MEDIAN = MODE + 2MEAN
THEREFORE 3(45.5) = 50.5 + 2x
136.5 - 50.5 = 2x
2x = 86
x = 86÷2 = 43


THEREFORE MEAN IS 43.