Question 1
Which option is an example of univariate data?
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General Mathematics · Unit 2 · Univariate data analysis 1 · Making sense of data relating to a single statistical variable
Understand the meaning of univariate data.
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Question 2
A community sports club recorded the ages (in years) of all participants enrolled in their weekend basketball program over one month. The data collected is shown in the table below. Use the data to: (a) Identify and explain whether this data is univariate or bivariate. (2 marks) (b) Calculate the mean age of participants, correct to one decimal place. (2 marks)
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Question 3
A researcher collected data on the weekly screen time (in hours) of 80 adults. The data is displayed in the table below. (a) Explain why this is an example of univariate data. [1 mark] (b) The researcher plans to investigate whether screen time is related to sleep quality. Explain whether the data collected would still be considered univariate if this investigation were conducted. [1 mark] (c) Calculate the mean weekly screen time for the 80 adults, correct to one decimal place. [1 mark]
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