Question

The table below gives the percentage distribution of female teachers in the primary schools of rural area of Karnataka State. Find mean percentage of female teachers by assumed mean method and step deviation Method.

Percentage of female teacher (x)	15 - 25	25 - 35	35 - 45	45 - 55	55 - 65	65 - 75	75 - 85
No. of States (f) :	6	11	7	4	4	2	1

Answer 1

Direct Method:

Step deviation method:

= 39.71 the mean percentage of female teachers is 39.71