F Test Formula In Statistics. Find the f statistic which is the critical value for this test. The f test function was introduced in ms excel 2010 to replace the ftest function.
The formula for the one way anova f test statistic is f explained variance unexplained variance displaystyle f frac text explained variance text unexplained variance or. Find the f critical value from f table taking a degree of freedom and level of significance. Accept the null hypothesis if f i.
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State the null hypothesis with the alternate hypothesis. The simplest test statistic is the t test which determines if two means are significantly different. If we are using an f test using technology the following steps are there. A test statistic which has an f distribution under the null hypothesis is called an f test.