Statistics

Question 1

Parametric Data =
Tests used to assess difference between groups

Answer 1

= normally distributed data
Unpaired or paired T-tests

Question 2

Non-Parametric Data =
Test used to assess difference between groups

Answer 2

= non-normally distributed data
Wilcoxon-signed rank test

Question 3

Absolute risk reduction

Answer 3

= control event rate - experimental event rate