+ Chapter 11: Inference for Distributions of Categorical Data Section 11.2 Inference for Relationships.
Stat 31, Section 1, Last Time Paired Diff’s vs. Unmatched Samples –Compare with example –Showed graphic about Paired often better Review of Gray Level.
CHAPTER 23: Two Categorical Variables The Chi-Square Test ESSENTIAL STATISTICS Second Edition David S. Moore, William I. Notz, and Michael A. Fligner Lecture.
Does Background Music Influence What Customers Buy? Market researchers suspect that background music may affect the mood and buying behavior of customers.
CHAPTER 23: Two Categorical Variables: The Chi-Square Test Lecture PowerPoint Slides The Basic Practice of Statistics 6 th Edition Moore / Notz / Fligner.
+ Chapter 13: Inference for Tables Section 13.2 Inference for Two-Way Tables.
Lesson 14 - 2 Inference for Two-Way Tables. Vocabulary Statistical Inference – provides methods for drawing conclusions about a population parameter from.
Example 5: Biologists wish to cross pairs of tobacco plants having genetic makeup Gg, indicating that each plant has one dominant gene (G) and one recessive.
11.2 Inference for Relationships. Section 11.2 Inference for Relationships COMPUTE expected counts, conditional distributions, and contributions to the.
Lesson 14 - 2
CHAPTER 23: Two Categorical Variables The Chi-Square Test
Lesson 14 - 2 Inference for Two-Way Tables. Knowledge Objectives Explain what is mean by a two-way table. Define the chi-square (χ 2 ) statistic. Identify.
