Day 15: Significance, Part 3
![](https://loonylabs.org/wp-content/uploads/2019/09/standard_deviation.png?w=150&h=150&crop=1)
![Standard_deviation](https://loonylabs.org/wp-content/uploads/2019/09/standard_deviation.png?w=590)
Where does our observation fall on the probability density function?
It looks like we’ve arrived at part 3 of what is now officially a trilogy of posts on statistical significance. There is so much more to say I don’t want to quite call this the conclusion. Instead, let’s give a quick review of where we left off and we can get back to determining if an observed value is significant.*