Higher June 2022 Paper 3 Q3

AQACurrent spec2 marksScatter Diagrams & Correlation

3 Here are four scatter graphs.

Four scatter graphs. Graph A: points rise then fall in an arch. Graph B: points fall steeply then level off, with one point well above the rest. Graph C: points scattered with no pattern. Graph D: points fall in a straight line.
(a) For which graph is a straight line of best fit appropriate?

Circle your answer. [1 mark]

  • A
  • B
  • C
  • D
(b) Which graph has one outlier?

Circle your answer. [1 mark]

  • A
  • B
  • C
  • D
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