Harvard Biostatistics Multiple Lecture Courses

## Test: Nonparametric tests

### Rank score tests

Source: Statistics at Square One (BMJ online)

How to access: This is free to access from the above link.

Contents: This is one chapter in Statistics at Square One (online). This section discusses Wilcoxon signed rank sum test and two-sample Wilcoxon rank sum test.

Example(s) used in this: The percentage of time the fetus spent moving for ten pregnant women, and plasma globulin fraction data

Prior math/stat knowledge to fully understand matrials: Hypothesis testing

### Statistical Question: Parametric v non-parametric statistical tests

Source: Sedgwick Philip. Parametric v non-parametric statistical tests BMJ 2012; 344 :e1753

How to access: This is free to access from the above link.

Contents: This is an entry of Statistical Question in BMJ. Four yes/no questions about parametric and non-parametric tests are presented with the answer and detailed explanation. This would be helpful to understand the difference between those.

Example(s) used in this: Left ventricular systolic function data

Prior math/stat knowledge to fully understand materials: Hypothesis test