Math, asked by ishawarikhedkar, 9 months ago

the following table shows frequency distribution of the time required for each worker to complete a work. from the table find the mean time required to complete the job for a worker.
Time(hrs) = 15-19,20-24,25-29,30-34,35-39
No. Of workers =
10,15,12,8,5

Answers

Answered by nitish346

5

Answer:

The mean time required to complete the job for a worker is 25.3 hours.

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