Openintro 7 Flashcards
(4 cards)
1
Q
t distribution (small sample)
A
When the population standard deviation is unknown (almost always), the uncertainty of the standard error estimate is addressed by using a new distribution: the t distribution.
2
Q
Rule of thumb:
If N < 50
A
Use t distribution
3
Q
paired data
A
No independence
4
Q
A
