When presented with categorical data, a two-way frequency table is a great way to summarize the information. Pupils organize categorical data using a two-way table, then use the tables to determine missing data and to calculate simple compound probabilities.

Concepts

two-way tables, frequency, frequency tables, probability, compound probability

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Additional Tags

math

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Instructional Ideas

• Include the second video on two-way tables by Mr. Ladak
• Lead a discussion on joint, marginal, and conditional relative frequencies

Classroom Considerations

• The class should be familiar with calculating simple probabilities

Pros

• The answer key shows the completed two-way tables used to determine the solution
• Requires the class to complete tables and to construct them from scratch

Cons

• The solution for #10 is missing from the answer key

Common Core

8.SP.A.4 HSS-ID.B.5 MP4 MP5