Midterm Exam 111
Stat 251 Fall 2006
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TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
Answer the question True or False.
1) ln skewed distributions, the mean is less affected by extreme ob

STAT 251: STATISTICAL INFERENCE FOR MANAGEMENT I
EXAM #2 Review Solutions
These questions do NOT cover all of the material for Exam #2. Do not restrict your
studying to just these problems. You should review the homeworks, handouts, practice
problems, and

STAT 251
Homework Assignment #6
TEMPLATE
Chapter 6
1) A pharmaceutical company has developed a drug to restore hair growth in men. Like most drugs, this
product has potential side effects. One of these side effects is increased blood pressure. The FDA has

STAT 251
Homework Assignment #7
TEMPLATE
Chapter 9
14) A survey of 200 students is selected randomly on a large university campus. They are asked if they use a
laptop in class to take notes. The result of the survey is that 70 of the 200 students responde

STAT 251
Solutions: Homework Assignment #4
Problems:
Chapter 5: 16 (you may want to work on this problem after we cover Bayes Rule), 42, 47, 48, 49 (you may
want to work on this problem after we cover Bayes Rule), 54, 58, 60, 63, 68
Lies
OR
49.
a.
Contrac

STAT 251
Solutions: Homework Assignment #3
Problems:
Chapter 5: See below for #1 and #2, Book: 6, 7, 9, 11, 12, 26, 34, 36, 39, 40
1. Pizza Discount. A local pizza restaurant has a spinner with 6 spaces on it. The spaces are the same size
(1/6 of the whee

STAT 251: STATISTICAL INFERENCE FOR MANAGEMENT I
EXAM #2 Review Questions
These questions do NOT cover all of the material for Exam #1. Do not restrict your studying to just
these problems. You should review the homeworks, handouts, practice problems, and

STAT 251: STATISTICAL INFERENCE FOR MANAGEMENT I
EXAM #3 Review Solutions
These questions do NOT cover all of the material for Exam #3. Do not restrict your studying to just
these problems. You should review the homeworks, handouts, practice problems, and

STAT 251: STATISTICAL INFERENCE FOR MANAGEMENT I
EXAM #3 Review Solutions
These questions do NOT cover all of the material for Exam #3. Do not restrict your studying to just
these problems. You should review the homeworks, handouts, practice problems, and

Exam #2 Stat 251
Winter 2006
Namt
Solve the problem.
2. (i) We know that the sam
devration. The center
' g center wants to determine the proportion of business students who
ave personal computers (PCs) at home. If the proportion diff
2: 2 . <o= .

Quiz 113 Stat 251
Name
\
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
1) A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizza

STAT 251
Homework Assignment #3/4
TEMPLATE
Chapter 5
33) Real Estate. In a sample of real estate ads, 64% of homes for sale had garages, 21% have swimming
pools, and 17% have both features. What is the probability that a home for sale has:
a) A pool, a ga