Quiz questions

10-09

  • 0:13:39: Q1. What is the sum of KL divergence for all three samples for A? ANS: 5.97

  • 0:18:47: Q2. What is the underlined sum? ANS: 0

  • 0:40:51: Q3 Do you known EM-algorithm? ANS:

  • 1:08:18: Q4. What is the sum there? ANS: KL(p(x,y)||p(x)p(y))

  • 1:35:15: Q5. What will be underlined summation? ANS: KL(p(x,y|z)||p(x|z)p(y|z))

  • 1:39:46: Q6. When is p(x,y)=p(x) p(y) for all x,y? ANS: X and Y are independent

  • 2:03:31: Q7 What is I(X;Z|Y)? ANS: 0

  • 2:17:41: Q8. What does the dark green region correspond to? ANS: I(Y;Z|X)

  • 2:19:36: Q9. How about the yellow region? ANS: I(X;Y)