Estimate the mean of set of data

Reference no: EM13118985

A random sample of 91 employees of Eastern Electric Co. showed that the number of days missed by each worker last year due to illness was as follows:

Days Missed Frequency

0 to 4 17

5 to 9 51

10 to 14 18

15 to 19 4

20 to 24 1

Use the midpoints of the class intervals to estimate the mean of the set of data.

Reference no: EM13118985

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