Lesson: Types of Data Errors - Activities and Instruction

Item

• Starting with the examples in Possible Data Errors, define and discuss the various types..
  • Inaccurate data
  • Missing data
  • Incomplete data
  • Inconsistent data
  • Outliers
• Have participants come up with further examples of each type of error, as well as examples of errors that may not easily fit one of the types defined.
• Using the Possible Data Errors handout, form small groups to discuss and record the possible consequences for the district, for the staff, or for students of each mistake, and the possible procedures that could be followed to make corrections.

Lesson Resources for Activities and Instruction

• Possible Data Errors (10 KB)

Supplementary Resources for Activities and Instruction

• Bad Data (22 KB)
• Bad Data Answer Key (22 KB)