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From patients’ records in a certain hospital, the number of patients admitted per week for 36 weeks was shown below.
25 28 35 42 37 37 35 38 37 40 15 28 15 42 28 25 20 28 35 37 35 35 40 37 42 15 35 28 40 42 28 35 42 40 35 40
a) Represent the data using a frequency table.
b) How can the data help the hospital?