5. Example Problem V - Mean

The table below gives the percentage distribution of female teachers in the primary schools of rural areas of various states and union territories (U.T.) of India. Find the mean percentage of female teachers by all the three methods discussed in this section.

 

Percentage of female teachers	\(15-25\)	\(25-35\)	\(35-45\)	\(45-55\)	\(55-65\)	\(65-75\)	\(75-85\)
Number of States/U.T.	\(6\)	\(11\)	\(7\)	\(4\)	\(4\)	\(2\)	\(1\)