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Solved: The accompanying data came from a study of
Chapter 1, Problem 17E(choose chapter or problem)
Problem 17E
The accompanying data came from a study of collusion in bidding within the construction industry ("Detection of Collusive Behavior," J. of Construction Etter. and Mgmnt, 2012: 1251-1258).
a. What proportion of the contracts involved at most five bidders? At least five bidders?
b. What proportion of the contracts involved between five and 10 bidders, inclusive? Strictly between five and 10 bidders?
c. Construct a histogram and comment on interesting features.
Questions & Answers
QUESTION:
Problem 17E
The accompanying data came from a study of collusion in bidding within the construction industry ("Detection of Collusive Behavior," J. of Construction Etter. and Mgmnt, 2012: 1251-1258).
a. What proportion of the contracts involved at most five bidders? At least five bidders?
b. What proportion of the contracts involved between five and 10 bidders, inclusive? Strictly between five and 10 bidders?
c. Construct a histogram and comment on interesting features.
ANSWER:
Problem 17E
Answer:
Step1:
We have The accompanying data came from a study of collusion in bidding within the construction industry ("Detection of Collusive Behavior," J. of Construction Etter. and Mgmnt, 2012: 1251-1258).
No. Bidders |
No.Contracts |
2 |
7 |
3 |
20 |
4 |
26 |
5 |
16 |
6 |
11 |
7 |
9 |
8 |
6 |
9 |
8 |
10 |
3 |
11 |
2 |
We need to find,
a. What proportion of the contracts involved at most five bidders? At least five bidders?
b. What proportion of the contracts involved between five and 10 bidders, inclusive? Strictly between five and 10 bidders?
c. Construct a histogram and comment on interesting features.
Step2: