Question

xay
2:52 PM
Ch._14._Statist-WPS_Office
wrestlers
2. The following are the ages of 300 patients getting medical treatment
in a hospital on a particular day: Find mean.
Age (in 10-20 20-30 30-40 40-50 50-60 60-70
years)
60
42
55
70
53
20
No.of
patients​

Answer 1

Please take a picture of the question and post that picture along with your question......!!!! The frequencies (numbers) are not very clear from the given question.....!!!!