Statistical Tests Flashcards
1
Q
What is a null hypothesis?
A
A hypothesis that states there will be no difference
2
Q
What is an alternative hypothesis?
A
A hypothesis that says there will be a difference
3
Q
Why do we use statistical tests?
A
To determine whether our results actually mean anything: whether they are SIGNIFICANT
4
Q
How is 5% significance level written?
A
p = 0.5
5
Q
What is ‘p’?
A
The probability of the result occurring if the null hypothesis is true
