Explain the difference between non-directional and directional
hypotheses, and explain in which circumstances it is important to
apply directional hypothesis.
Explain why Chi square distributions are positively skewed and
what is its relationship with the degrees of freedom.
The objective of hypothesis testing is to reject the null
hypothesis. How do we use the P-value to accomplish this goal?
Describe the difference between One-way versus Two-way ANOVA
and provide an example of each.