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Achievement objective S7-3

In a range of meaningful contexts, students will be engaged in thinking mathematically and statistically. They will solve problems and model situations that require them to:

  • Evaluate statistically based reports:
    • A. interpreting risk and relative risk
    • B. identifying sampling and possible non-sampling errors in surveys, including polls.


Note: this content is new to the statistics curriculum.

A. Interpreting risk and relative risk:

  • Calculates and interprets risk, selects baseline group, and calculates and interprets relative risk and writes a news clip reporting on findings.
  • In a media article with text and/or a table, identifies absolute risk, baseline group and relative risk, and for relative risk, identifies the two groups being compared; identifies relevant missing information and justifies why it is important to include this information; identifies whether risk applies personally and why.

B. Identifying sampling and possible non-sampling errors in surveys, including polls:


S7-3 links from S6-2 and to S7-1, S7-2, S7-4, S8-3.

What is new/changed?

  • Risk
  • Identifying non-sampling errors in surveys, including polls.

Possible context elaborations

Assessment for qualifications

NCEA achievement standards at level 1, 2 and 3 have been aligned to the New Zealand Curriculum. Please ensure that you are using the correct version of the standards by going to the NZQA website.

The following achievement standard(s) could assess learning outcomes from this AO:

  • AS91266 Mathematics and statistics 2.11 Evaluate a statistically based report
  • AS91267 Mathematics and statistics 2.12 Apply probability methods in solving problems

Refer to the mathematics and statistics matrix.

Last updated September 26, 2013