The bivariate t-test does not require interval or ratio data like the univariate t-test.

Name: The bivariate t-test does not require interval or ratio data like the univariate t-test.
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The bivariate t-test does require interval or ratio data, just like the univariate t-test. Both tests are used to compare means between two groups, and therefore require numerical data that can be measured on a continuous scale. Categorical data, such as nominal or ordinal data, cannot be analyzed using t-tests.

The Bivariate T-Test Does Not Require Interval or Ratio Data