CAIE IGCSE Mathematics Core C9.5.2 Understand What Is Meant By Positive Negative and Zero Correlation Questions

Practise Core CAIE IGCSE Mathematics by recognising and explaining positive, negative and zero correlation from scatter diagrams and contexts.

Exam points

Recognise positive, negative and zero correlation from a scatter diagram or a stated relationship.
Explain correlation in context by describing how one variable changes as the other variable changes.
Distinguish the direction of correlation from the strength or absence of a relationship in the displayed data.

[Maximum number: 1]

As part of a sports competition, 14 athletes run 100 m and complete a swimming race.
The scatter diagram shows the times, in seconds, to run 100 m and the times, in seconds, to complete the swimming race, for 11 of these athletes.

Time to complete the swimming race (s)

Figure for Question CAIE IGCSE Mathematics Core C9.5.2 Understand What Is Meant By Positive Negative and Zero Correlation Questions question 1 — CAIE IGCSE Mathematics Core

The table shows the times for the other 3 athletes.

Table for Question CAIE IGCSE Mathematics Core C9.5.2 Understand What Is Meant By Positive Negative and Zero Correlation Questions question 1 — CAIE IGCSE Mathematics Core

State the type of correlation shown in the scatter diagram.

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CAIE IGCSE Mathematics Core C9.5.2 Understand What Is Meant By Positive Negative and Zero Correlation Questions question 1