For the data set find the range and use it to approximate the value of s. Then calculate the actual value of s. Is the actual value close to the estimate?

15. Driving Emergencies The length of time it takes for a driver to respond to a particular emergency situation was recorded for 10 drivers. The times (in seconds)
were 0.5, 0.8,1.1, 0.7, 0.6, 0.9, 0.7, 0.8, 0.7, 0.8.