Ononot — For a two-sample t-test assuming equal variances, the pooled

You are in Preview. Create Account to save stats.

Inferential Statisticshard

0:00.0

For a two-sample $t$ -test assuming equal variances, the pooled variance $s_p^2$ is calculated using the sample sizes $n_1, n_2$ and sample variances $s_1^2, s_2^2$ . What is the correct formula for $s_p^2$ ?