Hypothesis testing Flashcards
(9 cards)
1
Q
What is a parameter
A
characterisitc of population
2
Q
What is a sample
A
selection of individual members of a population
3
Q
What is a statistic
A
value calculated from sample
4
Q
What is the null hypothesis
A
H0
5
Q
What is the alternative hypothesis
A
H1
6
Q
When using a one tailed test what will one alternative hypothesis be
A
H1: p > 0.25
H1: p < 0.25
7
Q
When using a two tailed test what will one alternative hypothesis be
A
H1 : p not equal to 0.25
8
Q
What are significance levels
A
chance based on your test result acidentally make wrong decision
9
Q
What is critcal value and crtical region
A
Area past change