Test Statistic Calculator

An f-value is a test statistic that you can get from an analysis of variance (ANOVA). This statistical test measures the difference in means for two or more independent

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Standardized Test Statistic: What is it?

The formula to calculate the test statistic comparing two population means is, Z= ( x - y )/√ (σ x2 /n 1 + σ y2 /n 2 ). In order to calculate the statistic, we must calculate the sample means ( x