STA 395 HW 2

Question 1: 2.1

Question 2: 2.7

Question 3: 2.12

Question 4: 2.17 Parts (a) and (c)

Question 5: 2.20. For this question, I want to show two additional parts:

• First, show that

\[ \sum \frac{(n_{ij} - \mu_{ij})^2}{\mu_{ij}} = n \sum \frac{(\hat{\pi}_{ij} - \hat{\pi}_{i+} \hat{\pi}_{+j})^2}{\hat{\pi}_{i+} \hat{\pi}_{+j}} \]

• Second […TBD…]

Question 6: 2.28

Question 7: 2.30