2025HSCShort answer

Q14 (a)

2 marks

Question

In a research study, participants were asked to record the number of minutes they spent watching television and the number of minutes they spent exercising each day over a period of 3 months. The averages for each participant were recorded and graphed.

Describe the bivariate dataset in terms of its form and direction.

Form: ............................................

Direction: ......................................

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Solution

Criteria	Marks
Provides correct form and direction	2
Provides correct direction, or equivalent merit	1

Sample answer:

Form: Linear
Direction: Negative

Supplied marking guidance · human reviewed

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Syllabus alignment

Statistical Analysis

Descriptive Statistics and Bivariate Data AnalysisApply the 2017 Mathematics Advanced syllabus content for descriptive statistics and bivariate data analysis.

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