StatBench
Statistics Calculator
Calculators
Tables
Guides
About
한국어
English
日本語
简体中文
Español
Português
Français
Deutsch
Русский
العربية
Bahasa Indonesia
01
Descriptive
02
Normal
03
Confidence interval
04
Sample size
05
t-test
06
Chi-square
07
Correlation
08
Probability
Confidence interval calculator for a mean and a proportion
A
Input
Mean
Proportion
Summary values
Raw data
Sample mean
Sample standard deviation
Sample size n
Data
Population SD is known (use z)
Successes x
Sample size n
Confidence level
80%
90%
95%
98%
99%
99.9%
R
Result
Enter data and results appear instantly.
Copy results
Related:
What a 95% Confidence Interval Really Means, and How to Compute It