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Statistics exam questions
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Name: ___________________________________________________________ Nº: _________Statistics I
Master in Management
Nova School of Business and Economics
EXAM
19th October 2017 7:00 pm
Duration: 1h30
INSTRUCTIONS
Turn off your mobile phone!
Authorized Material: Pen, calculating machine and this assignment.
Write your name and student number on the first page of this assignment.
This assignment must always be stapled.
The answers to the questions should be written in the locations indicated in this
assignment.
You can use the back of each sheet as a draft.
Any situation of plagiarism (such as the use of unauthorized material and/or
communication with colleagues) will have as immediate consequence a drop out in
the course this semester.
You are not allowed to ask questions during the EXAM.
Before starting the EXAM confirm that this assignment has 13 pages numbered 1 to
13.
At the end of this assignment you will find included some key equations and the
Standard Normal distribution statistical table.
You must remain seated in your place by the end of the EXAM.
When the time expires please turn your EXAM over and wait for its collection made
by invigilators.
Nova School of Business and Economics 1
, Name: ___________________________________________________________ Nº: _________
About the EXAM
This exam is based on a Case Study (https://www.jmp.com/en_us/academic/case-
study-library.html#medical) where an insurance company wants to develop a better
understanding of its claims paid out for medical malpractice lawsuits. Its records
show claim payment amounts, as well as information about the presiding physician
and the claimant for a number of recently adjudicated or settled lawsuits. 118 claims
where characterized with the following variables: Amount paid (dollars),
Malpractice Severity (measured in an ordinal scale), Physician Specialty, Type of
Insurance, Private Attorney involved (yes/no) and claimant Age (years), Marital
status, and Gender.
For each question in Groups I to III indicate only one answer in the table on page 9
Each correct answer is worth 0,70 values
Each wrong answer is worth 0.10 negative (-0.10).
Each answer blank or poorly marked is worth 0.
Group I
In order to characterize the claims we analyzed the claimant Age and the Type of
Insurance:
1. Age and Insurance are
a) Continuous and Discrete variables
b) Discrete and Nominal variables
c) Continuous and Nominal variables
d) Continuous and Ordinal variables
Nova School of Business and Economics 2
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