False Positives

This False Positives assessment also includes:

The test may say you have cancer, but sometimes the test is wrong. The provided task asks learners to analyze cancer statistics for a fictitious town. Given the rate of false positives, they interpret the meaning of this value in the context of the provided data. Constructing a two-way frequency table allows them to record all possible outcomes and analyze that data by calculating probabilities.

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CCSS: Designed
Additional Tags

Instructional Ideas

  • Use extension ideas to modify the lesson to fit the needs of your classes
  • Create collaborative groups to present with this task; allow them to strategize to answer the first three questions
Classroom Considerations

  • Discuss the meaning of false positive and false negative before assigning the task

  • Presents a statistics and probability task applicable to a math or health science classroom
  • Uses an interesting approach to studying conditional probabilities and constructing frequency tables

  • None