New Vocabulary
Data- Information.
Categorical Data- Information about categories.
Numerical Data- Information about numbers.
1.4 Categorical vs. Numerical
Data
Categorical Data- Information about
categories.
Examples:
What is your favorite kind of soda?
What kind of pets do you have?
What is your favorite basketball team?
1.4 Categorical vs. Numerical
Data
Numerical Data- Information about numbers.
Examples:
How many people like 7-Up?
How many pets do you have?
How many hours of TV do you watch in a week?
Homework Review
Choose your favorite survey question from last
night’s homework. If you did not complete the
homework, make up a survey question.
Based on the definitions and examples in class,
decide if your survey question will collect
categorical or numerical data.
1.4 Categorical vs. Numerical
Data
We will share our survey ideas.
Write a N for “numerical” on your
whiteboard if you think we are
collecting numerical data.
Write a C for “categorical” if you think
we are collecting categorical data.
Do Numerical and Categorical Graphs
look different?
Lets make a line plot for two questions:
1- About how many hours of TV do you watch each
day?
2- What is your favorite kind of TV program?
(Cartoon, Drama, Comedy, Sports, or Other)
Let’s Make a Line Plot….
HW: Catgorical/Numerical
Categorize survey topics as categorical or
numerical
Ticket to Quit It
1. What is on the bottom of a plot for numerical
data?
2. What is on the bottom of a plot for categorical
data?