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AppPriceData最新觀測到的下載價格為 $150.00。請開啟 App Store 官方連結確認目前結帳價格。
僅顯示目前所選商店地區的已觀測下載價格。點擊地區比價可查看各國家與地區的換算價格。
目前在 Apple 公開 App Store 頁面可見的項目，可能不等同於 App Store Connect 中的完整目錄。
來源：Apple 公開 App Store 頁面 · 僅包含公開可見項目
Design experiments and measurements confidently with minimal knowledge of statistics.
Have you ever worried if the study you were planning would have enough data to conclude anything?
Know how much data you need while you're still in the planning phase. Let the app do the statistics for you.
• Easy to use interface helps you enter the pertinent information without being a statistics expert.
• Know how many observations you'll need to measure what you want.
• Know how good a measurement you'll get for any number of observations you set.
• Visualizations
• Play with sliders for key parameters and see how they affect the measurement
• Supports measurements of rates and proportions (binomial distributions) in addition to continuous distributions
• Chooses appropriate statistical test for you based on your experimental parameters. (Tests include t, z, chi square, and exact binomial).
• Set your preferred risk of both false positives and false negatives (type I error and type II error)
Can also be useful as an interactive study tool for learning about the statistics of measurement
根據最新觀測到的 App Store 資料快速解答。
最新觀測到的下載價格為 $150.00。請開啟 App Store 官方連結確認目前結帳價格。
Apple 公開頁面目前在此商店顯示 0 個購買項目，公開清單可能不完整。
會。App Store 價格可能因商店、幣別、稅費和開發者定價而不同，目前已收集 7 個地區觀測。
