exam2-review-09

exam2-review-09 - The UNIVERSITY of NORTH CAROLINA at...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
11/4/09 review for exam 2 1 STOR 155 Introductory Statistics Review for Midterm Exam 2 The UNIVERSITY of NORTH CAROLINA at CHAPEL HILL
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
11/4/09 review for exam 2 2 Midterm Exam 2 • When: Tuesday 11/10 • Where: In class • Cover: Sec. 2.3 – 2.4, 4.1 – 4.5, 5.1 – 5.2 • Format: – 30 questions (multiple choice) – closed-book, calculator needed – scantron
Background image of page 2
11/4/09 review for exam 2 3 Review of Chapter 2 • Scatterplots: interpretation. • Correlation: definition and properties. • Least-Squares Regression: – Find the regression equation, prediction and interpretation, the meaning of r 2 . • Regression diagnostics: – Residuals, outliers, influential observations, lurking variables. – Association vs. Causation
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
11/4/09 review for exam 2 4 Review of Chapter 4 • Sample spaces, events, union, intersection, complement, disjoint events • Probability rules : addition, multiplication • Random variables, probability distributions, means, variances, rules for means and variances • Conditional probability, independence • Venn and tree diagrams
Background image of page 4
11/4/09 review for exam 2 5 Probability Rules • For any event A , P ( A ) = 1 - P ( not A ). • For any two events
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 17

exam2-review-09 - The UNIVERSITY of NORTH CAROLINA at...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online