A data set of n observations has mean \(2\bar x\) while another data set of 2n observations has mean \(\bar x\). The mean of the combined data set of 3n observations will be equal to

A data set of n observations has mean \(2\bar x\) while another data

1.	A data set of n observations has mean \(2\bar x\) while another data set of 2n observations has mean \(\bar x\). The mean of the combined data set of 3n observations will be equal to
A.	\(\frac{4}{3}\bar x\)
B.	\(\frac{3}{2}\bar x\)
C.	\(\frac{2}{3}\bar x\)
D.	None of the above
Answer» B. \(\frac{3}{2}\bar x\)