Final Exam Review
Statistics 110, Spring 2009
Page 1 of 4
Notes
±
The final exam will be administered on Monday, May 4 @ 9am.
±
Part 1 of the exam will cover Chapters 14, 15, 21 and 22 (25 multiplechoice questions).
This part of the final
exam is
required
.
±
In addition to working the sample problems below, review terms and definitions from the chapters.
±
A formula sheet (see last page of review handout) will be provided.
±
Part 2 of the exam will cover material from Exams 1 and 2 (25 multiplechoice questions). This part of the final
exam is
optional
.
The score from Part 2 of the final exam can be used to replace the score from one of the first
two exams.
±
All formula sheets provided on previous exams will be provided for Part 2 of the final exam.
Materials Needed
±
Calculator
±
Number 2 pencil (scantron sheets will be used to record your responses)
Sample Problems for Chapters 14, 15, 21 and 22
(See old exams and review sheets for sample problems of material from Exams 1 – 2.)
Problem 1
Suppose you are interested in predicting infant death rate for a nation based on its life expectancy.
The output below
was obtained from a sample of 12 industrialized nations.
Infant death is reported as number of deaths per 1,000 live
births and life expectancy is reported in years.
Simple linear regression results:
Dependent Variable: InfantDeath
Independent Variable: LifeExp
InfantDeath = 61.44132  0.7190943 LifeExp
Sample size: 12
Rsq (r
2
) = 0.70142514
a.
What percent of variation in infant death rate is explained by its relationship with life expectancy?
b.
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 Spring '07
 JOHNSON
 Statistics, Normal Distribution, Standard Deviation, Statistical hypothesis testing, infant death rate

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