Use the confidence level and sample data to find the margin of error.
Systolic blood pressure for women ages 18-24: 94% confidence; n = 81, x-bar = 113.8 mm Hg, sigma = 12.8 mm Hg
Round to the nearest one decimal place.
2.7 mm Hg
2.6 mm Hg
42.6 mm Hg
9.0 mm Hg
This solution involves finding the margin of error.