SSF - Sample Size (Vietnamese) - is an application that helps you calculate sample size quickly based on common sample size formulas, with your chosen data.
* Main feature
- Find the standard Z-score distribution value
- Calculate the sample size according to the formula in scientific research
- Find the appropriate formula and calculate the sample size according to different types of research, according to the formula diagram.
* Main feature
- Find the standard Z-score distribution value
- Calculate the sample size according to the formula in scientific research
- Find the appropriate formula and calculate the sample size according to different types of research, according to the formula diagram.
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