NUMBAT OER - Open Educational Resources

Self assessment:

For each of the following features, say whether it applies to a Wilcoxon signed-rank test:

  • Parametric test.

  • Numbers plugged into the formula for the statistic are frequencies.

  • Numbers plugged into the formula for the statistic are based on the ranks of the differences between related data in two samples.

  • Used on related data.

  • Reject the null hypothesis if the calculated statistic is greater than the critical value of the statistic looked up in the table.

  • Reject the null hypothesis if P on the SPSS printout is less than 0.05.