TI83/84: F Critical (Inverse F) using Solver and Fcdf

Описание к видео TI83/84: F Critical (Inverse F) using Solver and Fcdf

Need an F critical value? For example, you're running a hypothesis test for 2 population variances or running regression, and you're being asked to compare the F test statistic with the F critical value. The TI-83 and TI-84 don't include an inverse F function, but we can use Solver and the Fcdf function to solve for F critical.

Or add in your own invF program (short video for adding a 4-line program):
   • TI-83/TI-84 DIY InvF function  

In the video, we'll use the example of finding F critical for a right-tailed test with alpha = .05, D1 = 13, D2 = 11. The check answer is F = 2.76.

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