+ The Practice of Statistics, 4 th edition – For AP* STARNES, YATES, MOORE Chapter 10: Comparing Two Populations or Groups Section 10.1 Comparing Two Proportions.
Estimating a Population Mean When σ is Known: The One – Sample z Interval For a Population Mean Target Goal: I can reduce the margin of error. I can construct.
Do political “attack ads” work? A congressional candidate who currently has the support of only 44% of the voters runs a television spot that aggressively.
Large-sample confidence interval for a single proportion Significance test for a single proportion Choosing a sample size 1.
CHAPTER 18: Inference about a Population Mean. Chapter 18 Concepts 2 Conditions for Inference about a Mean The t Distributions The One-Sample t.
Constructing a Confidence Interval Why settle for 95% confidence? Conditions for Constructing a Confidence Interval Random: The data come from a well-designed.
The Practice of Statistics, 4 th edition – For AP* STARNES, YATES, MOORE
+ Unit 6 - Comparing Two Populations or Groups. + 12.2Comparing Two Proportions 11.2Comparing Two Means.
8.2a h.w: pg 496: 35, 37, 41, 43, 47
