YouTube showing two thumbnails to different random viewers to see which gets more clicks is:

  1. a census
  2. A/B testing (an experiment)
  3. smoothing
  4. K-means
Answer

B) A/B testing (an experiment)

A/B testing is a randomised experiment comparing two versions. SLO CS-11-D-02

Computer Science MCQ · More Unit 4: Data and Analysis MCQs · Practise