Box Plots Answers

The average January surface water temperatures (°C) of Lake Michigan from 2000 to 2009 were 5.07, 3.57, 5.32, 3.19, 3.49, 4.25, 4.76, 5.19, 3.94, and 4.34. | The mean value of these temperatures is 4.312. | What is the variance of this data set?

The data point 37 is one standard deviation from the mean.