1. t-models, part III Describe how the shape, center, and spread of t-models change as the number of degrees of freedom increases. 2. t-models, part IV Describe how the critical value of t for a 95%...

1. t-models, part III Describe how the shape, center, and spread of t-models change as the number of degrees of freedom increases.

2. t-models, part IV Describe how the critical value of t for a 95% confidence interval changes as the number of degrees of freedom increases.