Statskingdom
t test sample size calculator, and z test sample size calculator
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Statskingdom āĻā§?
Statskingdom is a web-based statistical tool that calculates sample sizes for Z-tests and T-tests, performs power analysis, and provides R code examples for research planning.
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- Sample size calculator for Z-test and T-test
- Power analysis with visual charts
- R code generation for statistical tests
- Customizable parameters like effect size and significance level
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Select test parameters such as tails, distribution, sample type, significance level, power, and effect size, then click 'Calculate' to get sample size results and power analysis charts.
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- Free to use
- User-friendly interface
- Supports multiple statistical tests
- Provides detailed examples and explanations
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- Limited to basic statistical tests
- No advanced features like data import
- Web-only platform
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- Academic research planning
- Clinical trial sample size determination
- Market research analysis
- Educational tool for statistics courses
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