Driving distance 2009. How far do professional golfers drive a ball? (For non-golfers, the drive is the shot hit from a tee at the start of a hole and is typically the longest shot.) Here's a histogram of the average driving distances of the 192 leading professional golfers by end of June 2009 along with summary statistics.
![1507_9c059e8b-2aa0-4255-a46c-e923ecec14c2.png](https://secure.tutorsglobe.com/CMSImages/1507_9c059e8b-2aa0-4255-a46c-e923ecec14c2.png)
a) Find a 95% confidence interval for the mean drive distance.
b) Interpreting this interval raises some problems. Discuss.
c) The data are the mean driving distance for each golfer. Is that a concern in interpreting the interval?