Sampling Error Calculator at 95% Confidence Level (p ≤.05)

Calculate the estimated maximum sampling error for a given sample size.  Enter the sample size and click the "Calculate!" button.  You can perform the calculation for several sample sizes and compare the differences in the Comparison List.  (The formula used is shown on page 100 of the text.  Results are displayed at the 95% confidence level (Z = 1.96.)


Enter Sample Size:     

The estimated maximum sampling error with a sample size of is

Comparison List