Marcus has 25 baseball cards. Each card is worth a different amount of money. The cards also represent players from different teams in the MLB.3 There are two types of data that we can collect - numerical and categorical.
What is an example of numerical data that Marcus can collect about his baseball cards?
What is an example of categorical data that Marcus can collect about his baseball cards?

Guiding Questions
What do you think the difference is between numerical data and categorical data?
What are other examples of numerical data that you could collect? Look back at some of the statistical questions from Anchor Problem #1.
What are other examples of categorical data that you could collect?
Are all data sets that are numbers, numerical data? For example, is a set of zip codes categorical data or numerical data? Why?