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Oak ComputingTest · Computing

Improving a model

The starter and exit quiz of the lesson “Improving a model”, from the unit “Machine learning using the micro:bit” (Year 9 Computing) by Oak National Academy.

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Oak National Academy

12 questions

  1. A machine learning model can make incorrect predictions if the training data has ___.
  2. A model’s ___ score tells us how likely the model’s prediction is correct.
  3. Match the problem with its potential cause in machine learning.
  4. A classifier learns by analysing ___ between samples and grouping them into classes.
  5. What is one way to improve a machine learning model’s accuracy?
  6. Which of the following best describes an outlier in a data set?
  7. What is the main benefit of training an AI model on diverse data?
  8. Cleaning data enhances the ___ of a machine learning model.
  9. Match the following terms with their descriptions.
  10. What is an outlier in data?
  11. Adding a null class helps prevent ___ in machine learning models
  12. Why is it important to include data from people with different movement styles when training a model to classify movements?

License: OGL

Improving a model · Examplary