1.5 sigma shift Flashcards
1
Q
saying about models…
A
all models are wrong, but some models are useful
2
Q
does the 1.5 sigma shift create a model that’s more useful than the traditional model?
A
yes - the traditional model oversimplifies reality
3
Q
why traditional model is not always useful
A
- assumptions of perfect normality is sometimes wrong
- sampling error
- variable definitions
- variability
4
Q
what is the 1.5 sigma shift?
A
simply a correction that accounts for factors not included in our model of reality