6 Confidence Interval for Proportions

Confidence Interval for Proportions (One sample and Two samples)


Confidence Interval for Proportionsnew window

Calculate confidence interval (CI) for proportion for both one or two sample cases. CI is given in ± notation. Margin of Error is also shown.

Calculator Screenshot

Confidence Interval for a Proportion


CONFIDENCE INTERVAL for proportions Calculatornew window

Enter sample size, n, the number of successes, x, and the confidence level, CL (in decimal).  Press calculte to reveal the lower and upper bounds of the confidence interval. ONE SAMPLE case only.

Screenshot of the calculator

CONFIDENCE INTERVAL for proportions Calculator

3. Ti 83/84+

1-Proportion Confidence Interval (TI-83 &TI-84)

2-Proportion Confidence Interval (TI-83 & TI-84)


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Statistics Calculators by Ram Subedi is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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