General Mathematics · Unit 2 · Univariate data analysis 1 · Making sense of data relating to a single statistical variable
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A researcher surveys 180 patients at a medical clinic. For each patient, the following information is recorded: age in years, blood type, number of doctor visits in the past year, and eye colour. Which statement correctly identifies the variables in this survey?
A university research team is collecting data on student transport and employment patterns. Refer to the data collection sheet below. **(a)** Classify each of the following variables as either categorical or numerical: *Postcode*, *Travel time (minutes)*, *Primary transport method*. **(3 marks)** **(b)** Determine whether the variable *Number of paid work hours per week* is discrete or continuous, and justify your classification. **(2 marks)**