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PreADA
SelfAssessment Quiz
The following link is to an Acrobat (pdf)
file with 10 questions about decision analysis. Persons who have
recently attended Petroleum Risks and Decision
Analysis (PRD) should be able to answer most questions
easily.
Link to the
printerfriendly pdf file: adaprequiz_10q.pdf
Or, if you prefer, the
questions are listed below.
If you are unsure about your answers or
simply wish to check them, email your answers and you will receive
back an answer key. You get a bonus for submitting your answers (data
we can use). We will also send you another 11 practice questions,
with answers. Use a friend's email account if you wish to remain
anonymous.
For solutions plus 11
bonus questions, send your answers to:
ADAPRECOURSE
QUIZ
Multiple Choice. Select the
letter that best answers the question.
1) For a positivelyskewed distribution,
what is the proper sequence?
a) mean < median < mode
b) mode < P50 < median
c) mode < median < mean
d) mean < mode < median
2) The Microsoft Excel program uses what discounting
assumption in its NPV function?:
a) Continuous cashflows
b) Cashflows at period starts
c) Cashflows at period ends
d) Cashflows at midperiods
3) In constructing decision trees, it is permissible to place
costs along branches and use these in backsolving the tree. This
works because:
a) The delta property of expected value
b) The distributive property of means
c) All costs are included in the terminal node values
d) The stochastic dominance principle.
4) The risk tolerance coefficient used in an exponential
utility function for risk policy represents:
a) A scaling factor for risk aversion
b) The maximum amount the company would risk on any one
project
c) The company’s net worth
d) The maximum amount the company is willing to pay to
avoid risk.
5) Latin hypercube sampling is used for:
a) Collecting data samples, as in field studies
b) Reducing the time to convergence in Monte Carlo
simulation
c) Method of correlating dependent chance events
d) Method of correlating independent chance events
6) The chronology of nodes in a decision tree should
follow:
a) Decision nodes first, then chance events
b) The historical sequence of nature
c) The sequence of the project
d) Independent chance events first.
7) P(A B) ≥ 0 means
a) A and B are independent
b) A and B are not mutually exclusive
c) A and B are dependent
d) None of the above.
8) Which representation shows the importance of input
variables contributing to outcome uncertainty?
a) Tornado chart
b) Influence diagram
c) Scatter diagram of input variables
d) Joint probability table.
9) Which is used to revise probabilities based upon imperfect
information?
a) Influence diagram
b) Addition theorem
c) Stochastic inversion
d) Bayes’ rule.
10) Which is the most popular measure of uncertainty?
a) Correlation coefficient
b) Variance
c) Standard deviation
d) Median.
<End of quiz>
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