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SCHULICH SCHOOL OF BUSINESS
YORK UNIVERSITY
SESSION:
FALL 2007 MidTerm Exam
NAME:
SOLUTION
COURSE NO:
OMIS1000
I.D.
# :
COURSE TITLE:
Statistics for Management
SECTION:
PROFESSORS:
Hila Cohen; Olga Kaminer; Alan Marshall; Alex Shoumarov
NUMBER OF PAGES
:
13 pages (NOT including cover)
LENGTH OF EXAMINATION:
150 minutes
EXAMINATION AIDS ALLOWED:
Calculator; Formula and Tables Book
INSTRUCTIONS:
Please place your I.D.
card on your desk.
You are not allowed to leave the examination room until one hour after the start of the
exam and you must sign the signin sheet before leaving.
Your examination paper must be handed in before you leave.
When you are finished
please leave the exam room quietly.
Cheating on an examination will result in an “F” grade in the course concerned and
possible suspension from the University.
All notes, briefcases, and books must be deposited at the front of the room.
You are not allowed to use your own paper for rough work.
You may only use the space
provided or the back of the pages for rough work.
Answer the Multiple Choice and True/False Questions on the bubble sheet supplied.
Be
sure to put your name and student number on the bubble sheet.
In Part III, place your
answers in the answer boxes, where supplied.
Count the pages to be certain that there are no pages missing.
Do not remove the staple from the exam.
Do not begin this examination until you are instructed to do so.
Do not write in the mark summary table below.
Part I – Multiple Choice
20 marks
Part II – True/False
10 marks
Part III – Problems
Question 1
20 marks
Question 2
15 marks
Question 3
10 marks
Question 4
10 marks
Question 5
8 marks
Question 6
7 marks
Subtotal
70 marks
TOTAL
100 marks
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MIDTERM EXAMINATION
Page 1
PART I – MULTIPLE CHOICE QUESTIONS (20 MARKS, 1 marks each)
Answer each question below on the Scantron Sheet provided. There is only one
correct
answer. There is no penalty for guessing.
1.
Which of the following is incorrect?
a)
The range of a data set is never equal to the variance of the set
b)
Standard deviation is the average of the squared deviations from the mean
c)
The variance of a data set is never equal to the standard deviation
d)
Range and standard deviation are both useful pieces of information
e)
None of the above
2.
The standard deviation of a normal distribution is always equal to:
a)
The average of the squared deviations from the mode
b)
The difference between Z scores of 1 and –1
c)
The median score minus Z at –1
d)
Both a and b
e)
Both a and c
3.
The normal curve:
a)
Is always bellshaped
b)
Has a variance equal to the square of Z at 1
c)
Is symmetrical about Z at 0 (zero)
d)
Both a and c
e)
All of the above
4.
In a campuswide study, some of the information obtained for a group of randomly
selected students included the following:
Gender, Age, Weekly Alcohol Consumption, Academic Standing
The units for Age and Alcohol consumption are years and ml. Academic standing is
recorded as excellent, good, satisfactory, pass or fail. The scales of measurement for
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 Fall '09
 ALEXANDERSHOUMAROV

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