Model Thinking by Scott E. Page w8_5

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2013-12-01 (60min) Coursera open course: Model Thinking by Scott E. Page Start from 10.07.2013, will end on 12.16.2013 Link: https://class.coursera.org/modelthinking-005/class/index;

Question 6 What is the average degree of a network with six nodes and fifteen edges? Please give a numeric answer. Answer for Question 6

Question 7 A train system connects Detroit to Chicago; Chicago to Minneapolis; Minneapolis to Milwaukee; and Milwaukee to Chicago. What's the average path length between all pairs of cities? 1 8 2 8/6 or 4/3

Question 8 What is the clustering coefficient of a family tree network that covers four generations? Assume every person marries and that each couple has exactly two children. Assume that the family tree in this question connects only spouses and mothers to their offspring. If you've never seen a family tree, here is a link: http://www.yangfamilytaichi.com/yang/tree/images/familytree.jpg Answer for Question 8

Question 9 Suppose that we have a random clique network in which each person has 20 random friends and 100 clique friends. How many 2-friends does each person have? Answer for Question 9

Question 10 Which of the following measures of a network might you use to capture social capital, if we take social capital to indicate something like the productive capacity of a group? You may select more than one answer. Average Path Length Average Degree Clustering Coefficient

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Question 7 A train system connects Detroit to Chicago; Chicago to Minneapolis; Minneapolis to Milwaukee; and Milwaukee to Chicago. What's the average path length between all pairs of cities? 1 8 2 8/6 or 4/3