Standard Error Calculator
Compute SE = √(p(1−p)/n) for a sample proportion.
Input Data
Input Proportion p.
Input Sample n.
Results
0.05
SE = √(p(1−p)/n).
At a glance:Standard Error Calculator: enter parameters to compute results; complements related calculators.
Formula
SE = √( p(1−p) / n ).
How to Use
- Enter proportion p and sample n.
- It returns the standard error.
Case Studies
p=0.5, n=100 → SE=0.05
SE = √(0.25/100) = 0.05.
FAQ
What is SE for?
Build confidence intervals (p ± 1.96·SE) and hypothesis tests.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.