Solved: Car Crash Tests Refer to the sample data described
Chapter 7, Problem 10(choose chapter or problem)
Car Crash Tests Refer to the sample data described in Exercise 9 and construct a 95%confidence interval estimate of the population standard deviation.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer