Knowing Equation For Margin Of Error

Knowing Equation For Margin Of Error

Hey there, the margin of error in any calculation is a small amount permissible to accommodate any miscalculations. To calculate the margin of error in case of sample proportions, assuming certain conditions, we use the following formula:

Where ‘ρ’ is called sample proportion, ‘n’ denotes sample size ‘z*’ is the suitable value obtained by examining the table. Hope this helps!

Knowing Equation For Margin Of Error

A “margin of error” indicates the number of percentage points your results will differ from the actual population value. Another term for margin of error is “confidence interval.” It tells you how much you can expect your survey results to reflect the views from the total population. Technically, the margin of error is the range of values above and below the sample statistic in a confidence interval.

The confidence interval is a scheme to show what the doubt is with some statistic like for example from a survey or poll. The fact behind margin of error and confidence level is that any poll or survey will differ from the actual population by a certain amount. But margin of error and confidence interval reflect the fact that there is room for error.

If you want to calculate your margin of error, go to or try the Margin of error calculator.