A correlation of r = -0.9 between hours of gaming and exam marks means:

  1. A strong negative linear relationship: more gaming tends to go with lower marks
  2. A weak positive relationship
  3. No relationship
  4. Gaming causes higher marks
Answer

A) A strong negative linear relationship: more gaming tends to go with lower marks

Strong because r is close to 1, negative because of the sign. It still doesn't prove causation. SLO CS-11-D-01 · Understanding

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