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Home > Mathematics > General Mathematics > HSC Course > Data Analysis > DA7: Correlation > Quick quiz: A sample of multiple choice questions for this topic.

DA7

  1. What type of correlation does this scatter graph illustrate?
     
    Scatter graph
     
    • Positive correlation.
    • Negative correlation.
    • No correlation.
    answer

     
  2. Which graph shows a non-linear correlation?
     

    • Scatter graph 1
       

    • Scatter graph 2
       

    • Scatter graph 3
       
    answer

     
  3. The y-intercept for this graph is:
     
    Find y-intercept
     
    • 1
    • -1
    • 0
    answer

     
  4. The gradient for this line is:
     
    Line x=
     
    • 3/4
    • -3/4
    • 4/3
    answer

     
  5. Find he equation of this line:
     
    Line x=
     
    • y = 2/3x + 3
    • y = 3/2x + 3
    • y = -3/2x + 3
    answer

     

Answers

  1. No correlation.
     

  2. Scatter graph 1
     
     
  3. 1
     
  4. -3/4
     
  5. y = 3/2x + 3
     

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