$1\mathrm{.}21$ Ranking driving performance of professional golfers.

Refer to The Sport Journal $($Winter $2007)$ study of a new

method for ranking the total driving performance of golf$-$

ers on the Professional Golf Association $($PGA$)$ tour,

Exercise $2\mathrm{.}50($p$.72).$ Recall that the method computes

a driving performance index based on a golfer's average

driving distance $($yards$)$ and driving accuracy $($percent of

drives that land in the fairway$).$ Data for the top $40$ PGA

golfers $($as ranked by the new method$)$ are saved in the