Consider the following data from two independent groups:

Liberals:2,1,3,2

Conservatives: 4,3,3,5,2,4

1. Calculate s² for each group

1. Calculate df_x, df_y , and df_total

1. Determine the critical values for t, assuming a two-tailed test with an alpha level of 0.05.

1. Calculate pooled variance, s²_pooled

1. Calculate the variance version of standard error for each group.

1. Calculate the variance and the standard deviation of the distribution of differences between means.

1. Calculate the t statistic

1. Calculate the 95% confidence interval.

1. Calculate Cohen's d