Statistics & Probability
Instant, private, and free
Confidence Interval Calculator.
Calculate a mean interval using an explicitly supplied critical value.
On-device calculationNo signup
01
Set your values
Results update as you type.
02 / ANSWER
Margin of error: 1.96
Lower bound: 48.04
Upper bound: 51.96
Results update automatically as you type.
FAQs
What does the confidence interval calculator calculate?
Calculate a mean interval using an explicitly supplied critical value.