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Bootstrap CI: One ProportionStatLens

Choose a dataset:

Edit or paste data (one outcome per line, or CSV with a categorical column):

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Sample size (n): Number of successes:

Count as success:

Confidence level %

Resamples

Original Sample

n = —, p̂ = —

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This Resample

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Select a dataset, then run a simulation to see results.

Bootstrap CI: One Proportion

Resample your data with replacement many times, recording the sample proportion each time. The histogram is the bootstrap distribution of p̂ — read a confidence interval for the population proportion off its middle. This is an estimation tool: no hypotheses, no p-value.

1: +1 resample
2: +10 resamples
3: +100 resamples
4: +1000 resamples
0: Reset
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Bootstrap CI: One ProportionStatLens ? ⚙

Original Sample

This Resample

Bootstrap CI: One ProportionStatLens