STATISTICS
10. Use the confidence level and sample data to find the margin of error, E. Round your answer to the same number of decimal places as the sample standard deviation unless otherwise noted.
90% confidence interval for the mean driving distance of professional golfers in all PGA tournaments during 2013 given n = 25 and s = 12.7.
A. 4.3
B. 2.5
C. 0.9
D. 4.2