The owner of a golf course wants to determine if his golf course is more difficult than the one his friend owns. He has 26 golfers play a round of 18 holes on his golf course and records their scores. Later that week, he has the same 26 golfers play a round of golf on his friend's course and records their scores again. The average difference in the scores (treated as the scores on his course - the scores on his friend's course) is -0.49 strokes and the standard deviation of the differences is 7.018 strokes. The owner uses this information to calculate the 95% confidence paired t-interval of (-3.325, 2.345). Which statement is the correct interpretation of this interval?