Do Now Describe the statistical data analysis process

Do Now Describe the statistical data analysis process using the words sample, population, statistic, and parameter.

Types of Data Unit 1: Univariate Data

Objectives • Identify variables as categorical and quantitative • Demonstrate mastery on Illuminate Quiz • Register and practice using Khan Academy

Individuals and Variables • Individuals: objects described by a set of data; people, animals or things (WHO) • Variable: any characteristic of an individual (WHAT)

Types of Data • Categorical variable: places an individual into one of several categories • Quantitative variable: numerical values for which it makes sense to find an average

ü Your Understanding Jake is a car buff who wants to find out more about the vehicles that students at his school drive. He gets permission to go to the student parking lot and record some data. Later, he does some research about each model of car on the Internet. Finally, Jake makes a spreadsheet that includes each car’s model, year, color, number of cylinders, gas mileage, weight, and whether it has a navigation system. 1. Who are the individuals in Jake’s study? 2. What variables did Jake measure? Identify each as categorical or quantitative.

Distribution • tells us what values a variable takes and how often it takes these values • List of numbers or data • Could be organized in a table or graph

ü Your Understanding Name Height (in. ) Gender Favorite TV Show Age Daniel 74 M Sports Center 18 Charlie 54 M Pokemon 8 Max 48 M Sponge Bob 5 Eli 46 M Power Rangers 4 Serena 45 F Dora the Explorer 3 1. Who are the individuals in this distribution? 2. What are the variables being measured by this distribution? Identify them as categorical or quantitative. 3. What is the distribution for gender? 4. What percent of the brothers and sisters and under 6 years old?

Did we accomplish our objective?

Laptop Cart Expectations • Take a laptop and check the number written on the top of the laptop • Sign out the CORRECT laptop • Be on task at all times (no social media, email, etc. ) • 5 minutes before class ends, return laptop to correct shelf and PLUG IT IN!!! • Sign in the laptop