Sex sells? Ads for many products use sexual images to try to attract attention to the product. But do these ads bring peoples attention to the item that was being advertised? We want to design an experiment to see if the presence of sexual images in an advertisement affects peoples ability to remember the product. a) Describe an experimental design requiring a matchedpairs t procedure to analyze the results. b) Describe an experimental design requiring an independent sample procedure to analyze the results.

Statistics 130M Notes January 19, 2017 notes= January 26, 2017 class Tuesday January 24, 2017 Sick- Skipped Class. Sorry All Thursday January 26, 2017 Chapter 3 Numerical descriptive techniques - Allows us to be precise - Most mathematical calculations Information - When interrupting a histogram we focus on shape Population - Described by parameters - Parameters are often written using greek letters Summaries for symmetric distribution - Central tendency o Balancing point/ halfway point o ***should be same**** o Average of mean o Center of symmetric distribution Skewed distribution - Extreme values/ outliers effected the average - Curve killer - Don’t use balancing point Arithmetic mean