Golf: Tournaments Do professional golfers play better in their first round? Let row B represent the score in the fourth (and final) round, and let row A represent the score in the first round of a professional golf tournament. A random sample of finalists in the British Open gave the following data for their first and last rounds in the tournament

(Source: Golf Almanac).

B: Last 73 68 73 71 71 72 68 68 74 A: First 66 70 64 71 65 71 71 71 71 Do the data indicate that the population mean score on the last round is higher than that on the first? Use a 5%

level of significance.

AppendixLO1