Select the graphs to display for 2-Sample t

Stat > Basic Statistics > 2-Sample t > Graphs
Individual value plot
Use an individual value plot to examine the spread of the data and to identify any potential outliers. Individual value plots are best when the sample size is less than 50.
Boxplot
Use a boxplot to examine the spread of the data and to identify any potential outliers. Boxplots are best when the sample size is greater than 20.