JHS2 Mathematics · Term 3, Week 11

Data

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Notes for this lesson are being prepared. The curriculum details below are complete and ready to use for your planning.

Curriculum details

Strand
Handling Data (Strand 4)
Sub-strand
Data (4.1)
Content standard
B8.4.1.2 - Demonstrate an understanding of measures of central tendency (mean, median, mode) and range for grouped data and explain when it's most appropriate to use the mean, median, or mode.
Indicator
B8.4.1.2.2 - Justify a context in which the mean, median or mode is the most appropriate measure of central tendency to use when reporting findings.
Suggested placement
Term 3, Week 11 (Week 35 of the year)

Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.

Curriculum reference
Mathematics, Common Core Programme (JHS1-JHS3), 2023, p. 160

Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

Figure from the jhs2 mathematics curriculum, printed page 160
E.g.1 Kojo's says his taxi makes a number of trips each day as shown in the table below:
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
8 6 10 10 9 10 3
i. Calculate the mean, median and mode for Kojo's trips for the week
ii. Which measure of central tendency best represents or describes the number of trips that Kojo makes each day?
iii. Justify the choice of central tendency in (ii).