NUMBAT OER - Open Educational Resources

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 are based on the differences between related data in two samples.

  • Used for assessing the differences betwen more than two samples.

  • Used on unrelated data.

  • Reject the null hypothesis if the calculated statistic is less than or equal to the critical value of the statistic from the table.

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