module 17 Flashcards
1
Q
one tailed hypothesis
A
(directional)
alternative hypothesis
researcher predicts direction of difference
2
Q
two tailed hypothesis
A
alternative
researcher predicts a difference but not the direction
3
Q
type I error
A
the null hypothesis is rejected when it’s true
4
Q
type II error
A
failure to reject null when it’s false
5
Q
parametric test
A
statistical test that involves making assumptions about estimates of population characteristics (parametrics)
6
Q
non parametric test
A
does not involve the use of population parameters
7
Q
inferential statistics
A
procedures for drawing conclusions about a population based on data collected from a sample