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Final Exam Review

# Final Exam Review - Final Exam Review Statistics 110 Spring...

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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 multiple-choice 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 multiple-choice 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 R-sq (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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Final Exam Review - Final Exam Review Statistics 110 Spring...

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