## Self assessment:

For each of the following features, say whether it applies to a *t* test:

- Parametric test.
- Numbers plugged into the formula for the statistic are frequencies.
- Numbers plugged into the formula for the statistic include the sum of ranks.
- Used for accessing the differences between more than two samples.
- Used on unrelated data.
- Reject the null hypothesis if
*P*on the SPSS printout is less than 0.05.