Statistics
13 tools
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Tools13
RT-FIN-137 A/B Test Sample Size Calculator
Two-proportion z-test sample size with days-to-run estimate.
Finance & Money
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RT-FIN-138 A/B Test Significance Calculator
p-value + 95% CI + ship/no-ship verdict for finished A/B tests.
Finance & Money
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RT-CNV-091 Chi-Square Test Calculator
Goodness-of-fit + independence
Converters & Units
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RT-CNV-083 Confidence Interval Calculator
CI for mean + proportion
Converters & Units
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RT-CNV-098 Effect Size Calculator (Cohen's d + Hedges' g)
Cohen's d + Hedges' g
Converters & Units
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RT-CNV-084 Linear Regression & Correlation Calculator
Slope + intercept + r + R² + scatter
Converters & Units
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RT-CNV-092 One-Way ANOVA Calculator
F-test + eta-squared
Converters & Units
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RT-CNV-080 Permutation & Combination Calculator
nPr, nCr, factorial (BigInt)
Converters & Units
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RT-CNV-093 Sample Size Calculator
Cochran + A/B test power
Converters & Units
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RT-CNV-081 Standard Deviation Calculator
Mean, SD, variance, quartiles
Converters & Units
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RT-CNV-097 Standard Error Calculator
SE of mean + proportion
Converters & Units
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RT-CNV-090 T-Test Calculator
One-sample / Welch / paired
Converters & Units
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RT-CNV-082 Z-Score Calculator
Standard score + percentile + p-value
Converters & Units
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