Grade 12 · CAPS

Grade 12 Data handling

Mathematical Literacy practice questions and a worked example

Grade 12 Mathematical Literacy data handling questions from the NSC papers give you a table, bar graph, line graph or box-and-whisker plot and ask you to read and analyse it. You find the mean, median, mode, range and quartiles, spot outliers and comment on trends or bias in a sample. Practise them to get used to how the exam presents real data.

Worked example

3.1.3 Compare and comment on the urban and rural descriptors of the two age groups using the graph above.

Answer

The percentage of children in the under-5 category is almost the same for urban and rural areas. There is a greater increase from the under-5 to the 5–17 category in urban areas than in rural areas. (OR a comment such as: healthy food vs junk food, more active vs less active, walking to school vs driving to school.)

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Data handling

Question 1 of 3

1.1.1 Use TABLE 1 above to answer the questions that follow. State whether the values used for the different categories in the table are discrete or continuous data.

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More practice questions

Explore additional Grade 12 Data handling questions.

  • 2
    1.1.4 Use TABLE 1 above to answer the questions that follow. Calculate the increase in the number of songs streamed over the three sessions.
  • 3
    1.1.5 Use TABLE 1 above to answer the questions that follow. Determine, as a unit ratio, in the form 1 : ..., the number of paid users to the number of free users during session A.
  • 4
    3.1.1 Identify the only descriptor where the age group 5 to 17 years old are fewer than the age group under 5 years old using the graph above.
  • 5
    3.1.2 Determine the difference in percentages of the two age groups for the female descriptor using the graph above.

Common mistakes

  • Finding the median without first arranging the data in order.
  • Reading the wrong data set when a graph shows two groups side by side.
  • Describing a trend without referring to the actual values on the graph.

More Grade 12 Mathematical Literacy topics

Data handling in other grades

Aligned to CAPS Grade 12 Mathematical Literacy — Data handling. Curriculum source: CAPS for the FET Phase, Department of Basic Education.

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