The Fowlerville, California, Department of Emergency Services is concerned about whether response times to 911 calls are within what the chief regards as an acceptable range. The head of emergency services has her intern collect data on response times for the most recent one hundred 911 calls. The head feels that average response times should be no greater than 5 minutes because Fowlerville is a relatively small community (in both population and geographic size).

Response Time:

5, 2, 2, 5, 7, 1, 2, 7, 4, 6, 6, 7, 4, 7, 6, 5, 6, 5, 5, 7, 1, 6, 4, 5, 5, 7, 6, 5, 1, 7, 3, 6, 3, 5, 1, 7, 6, 7, 7, 3, 1, 2, 1, 6, 6, 5, 3, 7, 3, 4, 5, 5, 3, 2, 6, 3, 1, 7, 3, 7, 2, 6, 4, 1, 5, 6, 6, 4, 5, 7, 1, 5, 3, 6, 5, 2, 3, 4, 2, 5, 2, 4, 4, 3, 3, 4, 1, 3, 6, 5, 3, 4, 3, 7, 4, 7, 5, 3, 5,6,

(a) Calculate the mean, median, mode, and standard deviation for these data.

(b) What can you tell the head about response times? Explain your answer in a few sentences.