Question

the tal class.
A class teacher has the following attendance record of 40 students of a class for the
whole term. Find in in direct method ,assumed mean method step deviation method number of days a student was present out of 56 days in the al
term.
Number of days
35-38 | 38-41 | 41-44 44-47 | 47-50 50-53 53-56
Number of students
7 10 | 11 hare
..​

Answer 1

Answer:

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