PGA Golf Scores At a recent PGA tournament (the Honda Classic at Palm Beach Gardens, Florida) the following scores were posted for eight randomly selected golfers for two consecutive days. At a=0.10, is there evidence of a difference in mean scores for the two days? Assume the for variables are normally or approximately normally distributed and use HD the mean on Thursday minus the mean on Friday. Golfer 1 2 3 4 6 7 8. Thursday 65 67 65 70 68 68 68 70

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