Question: 47. Driving distance 2011 How far do professional golfers drive a ball? (For non-golfers, the drive is the shot hit from a tee at the
47. Driving distance 2011 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 186 leading professional golfers by end of November 2011 along with summary statistics
(www.pgatour.com).

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?
# of Golfers Count 186 40 Mean 291.09 yd 30 30 StdDev 8.343 yd 20 10 260 270 280 290 300 310 320 Driving Distance
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