# Standard Deviation Actual Percentage Calculations

In a magazine article, the most recent approval rating of the president is reported. The percentage of citizens who favor the president, despite his recent involvement in a scandal, is 68% with a margin of error of +/-4%. What does this mean?

© BrainMass Inc. brainmass.com June 3, 2020, 5:34 pm ad1c9bdddfhttps://brainmass.com/statistics/quantative-analysis-of-data/standard-deviation-actual-percentage-calculations-30735

#### Solution Preview

This is because in this example, the average is 68%. If the margin of error is +/-4 ...

#### Solution Summary

The solution assists with determining the margin of error is shown.

$2.19