4 ms·
That is not the definition of a p-value. :( A p-value of 5% means that, IF the null hypothesis is true (IF!), then there's a 5% chance of getting results as ex
by tedsanders 9y ago
That is not the definition of a p-value. :(
A p-value of 5% means that, IF the null hypothesis is true (IF!), then there's a 5% chance of getting results as extreme as measured.
A p-value of 5% does not mean than you should expect a rate of 5% false positives & negatives.
- jdmichal 9y agoIsn't your second paragraph just a definition of a false positive? And, it looks like power is the error rate for false negatives: https://en.m.wikipedia.org/wiki/Statistical_power https://en.m.wikipedia.org/wiki/Statistical_power Too late to edit my original to fix this.