In problem 27 in chapter 3, you found the mode, median, and mean for the following data. A researcher had asked a set of 40 employees at a small company who had taken sick leave how many days in the past 6 months they had missed work because of illness.

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

Transcribed Image Text:

Days Lost 7 6 5 4 3 2 1 f Blw654NA 3 N = 40