A researcher is interested in the amount of time lost due to injuries that occur at work. She surveyed a group of workmen’s compensation beneficiaries, asking them how many weeks they were unable to work because of their injuries. The following times, in weeks, were given by 15 beneficiaries:

Calculate the (a) range, (b) the variance, and (c) the standard deviation of this distribution.

Transcribed Image Text:

64 12 42 7 21 16 8 10 35 27 7 6 4 3