This is a professional Z distribution probability calculator that supports inputting population mean, sample mean, standard deviation and sample size, automatically calculating Z value, one-tail/two-tail p value, and visualizing the standard normal distribution curve to assist in judging statistical significance
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What is it about?
This is a professional Z distribution probability calculator that supports inputting population mean, sample mean, standard deviation and sample size, automatically calculating Z value, one-tail/two-tail p value, and visualizing the standard normal distribution curve to assist in judging statistical significance. The application provides common confidence interval selection, significance conclusion judgment, chart and conclusion export (PNG/PDF), and a built-in help page to explain the principle of Z test. It also supports history record management, which is convenient for quick review and reuse of input parameters, and is suitable for various scenarios such as teaching, paper analysis and statistical testing.
App Store Description
This is a professional Z distribution probability calculator that supports inputting population mean, sample mean, standard deviation and sample size, automatically calculating Z value, one-tail/two-tail p value, and visualizing the standard normal distribution curve to assist in judging statistical significance. The application provides common confidence interval selection, significance conclusion judgment, chart and conclusion export (PNG/PDF), and a built-in help page to explain the principle of Z test. It also supports history record management, which is convenient for quick review and reuse of input parameters, and is suitable for various scenarios such as teaching, paper analysis and statistical testing.
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