Question

find arethamatic mean of the following data
by using direct method.
percentage of number of students
female teachers /oT
15 -25 6
25-35 11
35-15 7
45-55 4
55-65 4
65-75 2
75-75 1
​

Answer 1

Answer:

39.71

Step-by-step explaination:

see attached file for your answer...

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