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Statistical function
F.DIST.RT
Returns the right-tailed F probability distribution.
Rarely usedDifficulty 1550 · AdvancedUsage rank #438 of 520
When to use it
The right-tailed F probability: the p-value for an F statistic from ANOVA or a regression.
The shape of it
- Syntax
=F.DIST.RT(x, deg_freedom1, deg_freedom2)
Worked examples
p-value
=F.DIST.RT(4,2,10) → 0.052922
Just above 5%.
Median
=F.DIST.RT(1,5,5) → 0.5
Median.
Critical value check
=F.DIST.RT(3.885,2,12) → 0.05
The 5% critical value on (2,12).
Worth knowing
- The regression F from LINEST row 4 goes here with df (k, n-k-1).
- Replaces FDIST.
- Compare with alpha to decide significance.
Where it goes wrong
- #NUM! for negative x.
- Swapping the degrees of freedom changes the answer.
Related
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