Question: Blood alcohol concentrations of drivers involved in fatal crashes and then given jail sentences are listed below. Find the range and standard deviation.

.26, 19, 19, .15, .13, .21,

.32, .21, .14, .15, .12, .15

Find the range: r = 18.880

Find the standard deviation: s= 7.324 (round to the nearest thousandth as needed)