Week 7 : RMB Flashcards
1
Q
When do we do parametric tests?
A
when the test of normality is normal
2
Q
What is the test for normal distributions?
A
Shapiro Wilk
3
Q
What is the problem for the normality testing?
A
large sample are very sensitive to tiny deviations
4
Q
What are QQ plots?
A
Visual tests that compare two distribution
5
Q
What is on the x axis on a QQ plot?
A
percentiles of normal distribution
6
Q
What is on the y axis on a QQ plot?
A
percentiles of the data
7
Q
What do non-parametric tests for with?
A
Median
