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Calculating the Margin of Error

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


Solution Summary

This solution involves finding the margin of error.