4 ms·
It is also wrong. If variance is zero, then the mean of the square EQUALS the mean squared.
by Yajirobe 7y ago
It is also wrong. If variance is zero, then the mean of the square EQUALS the mean squared.
- dagw 7y agoYou could argue that if something _deviates_ around an average then its variance cannot be zero. But I agree that the language could be more precise.