chapter 13 - 2 sample t - test Flashcards
1
Q
when do we use the 2 sample t test?
A
to compare the means of a numeric variable sampled from 2 independent populations
2
Q
what is the aim of a 2 sample t test?
A
to evaluate whether or not this mean is different inthe 2 populations
3
Q
assumptions of 2 sample t test
A
- independence
- measurement scale - interval or ratio
- normality
4
Q
another name for 2 sample t test
A
independent 2 sample t test
