What is the margin of error for a 90% confidence interval estimate for the difference between the population means?

First Final Part a Player Round Round Differences Michael Le 72 67 5 t-Test: Paired Two Sample for Means Scull Verpl: 69 2 D.A. Points 68 70 Jerry Kelly 85 Mean 72 69.45 Soren Hare 73 72 Variance 14.9474 15.9447 D.J. Tratur 74 85 Observations 20 20 Bubba Wat 73 65 Pearson Correlation 0.31365 Retail Goo 77 716 Hypothesized Mean Difference 0 Jeff Klauk 75 716 df 19 Kerry Parr 71 85 6 t Stat 2.47632 Aran Price 75 75 P(T