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We usually compare the results to the R results. We put in a lot of effort to provide accurate results and we automatically test every new page, The older pages were tested manually, but we slowly also automate the old pages. We started adding a step-by-step work-through for education purposes, an easy guide on how to calculate test statistics. The calculators also provide R codes for your convenience. We help everybody to calculate statistics. The goal of this website is to make statistics accessible to anyone, converting complex statistical jargon into common everyday language. (McNemar test, Chi-squared test for association, Fisher test, Binomial test) Fit ✔ ✔ 20 Shapiro-Wilk Test Fit ✔ ✔ ✔ 21 Kolmogorov Smirnov Test Fit D = Max 1≤i≤n(D i +,D i -) ✔ ✔ 22 Kaplan Meier Survival Analysis Survival ✔ ✔ Mean F ✔ ✔ ✔ ✔ 14 One Sample Proportion Test Proportion Binomial ✔ ✔ ✔ ✔ 15 Two Sample Proportion Test Proportion Binomial ✔ ✔ ✔ 16 Chi-Squared Test For Variance σ ✔ ✔ ✔ ✔ 17 F Test For Variances σ ✔ ✔ ✔ ✔ 18 Levene's Test For Variances σ ✘ ✔ ✔ 19 Chi-Squared Test For Goodness Of Fit Groups Sphericity ✔ 11 Kruskal-Wallis Test Mean ✔ ✔ 12 Two Way ANOVA Testįixed model, Mixed model, Random mode, Mixed model with repeats Mean ✔ ✔ ✔ ✔ 13 One Way MANOVA Test Test Assumptions Required sample data # Test name Check Statistic Ind σ σ 1=σ 2 d μ/p x̄/p̂ n S 1 One Sample Z-Test Mean ✔ ✔ ✔ ✔ ✔ ✔ 2 One Sample T-Test Mean ✔ ✔ ✘ ✔ ✔ ✔ ✔ 3 Two Sample Z-Test Mean ✔ ✔ ✔ ✔ ✔ ✔ 4 Two Sample T-Test (Pooled variance) Mean ✔ ✔ ✘ ✔ ✔ ✔ ✔ ✔ 5 Two Sample T-Test (Welch's) Mean ✔ ✔ ✘ ✘ ✔ ✔ ✔ ✔ 6 Two Sample Mann-Whitney U Test Rank ✔ ✔ ✔ 7 Paired T-Test Mean ✔ Paired ✔ 8 Paired Wilcoxon Sign Rank Test Rank Paired ✔ 9 One Way ANOVA Test Mean ✔ ✔ ✔ ✔ 10 Repeated Measures ANOVA Test Mean ✔ Dependent
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