#### Answer

a) The distribution of PGA golf drives is fairly consistent, with the middle 50% of the drives having a distance between 282.5 and 295.6 yards; the inter-quartile is 13.1 yards.
b) The standard deviation of the distribution of golf drives is 11.2 yards, which shows that golf drives are typically 11.2 yards from the mean.
c) The distribution of golf drives is roughly symmetric. The standard deviation and inter-quartile range are reasonable measures of spread.