Confidence Level
How sure you are about the test results (e.g., 95%).
The confidence level (often set at 90%, 95%, or 99%) indicates how confident you are that the results of your test didn't just happen by random chance. A 95% confidence level means that if you ran the same test many times, you'd expect the results to fall within the confidence interval 95% of the time. It's related to statistical significance and p-values.
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