The empirical relation between mean $$(M)$$ , median $$(M_d)$$ , and mode $$(M_o)$$ is:

A

$$M_o = 3M_d - 2M$$

B

$$M_o = 2M_d - 3M$$

C

$$M_o = 2M_d + 3M$$

D

$$M_o = 3M_d + 2M$$