4. State in details the difference between paired and independent samples tests. 2 5. Tell me in details what are Type I and Type II errors? 6. In words, what does a 95% confidence interval of the population average mean? 7. When we conduct a hypothesis test, we assume something is true and calculate the probability of observing the sample data under this assumption. What do we assume is true? 8. In the context of the simple Linear Regression (SLR) model, what is the coefficient of determination, R , mean