Trends in International Mathematics and Science Study, South Africa 2002
Grade 9

South Africa, 2002

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Reference ID

zaf-iea-tpisc-timss-g9-2002-v1

DOI

https://doi.org/10.25828/rnex-4873

Producer(s)

TIMSS & PIRLS International Study Center

Collections

TIMSS and PIRLS

Metadata

Documentation in PDF DDI/XML JSON

Created on

May 11, 2026

Last modified

May 11, 2026

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1840

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sci\how many minutes sci homework (bsbshwmg)

Data file: timss-2002-sa-gr9-v1

Overview

Valid: 4122

Minimum: 1

Maximum: 7

Mean: 2.4691897137312

Standard deviation: 1.255571141724

Type: Discrete

Width: 8

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	fewer than 15 minutes	819	20%
2	15-30 minutes	1849	45.1%
3	31-60 minutes	712	17.4%
4	61-90 minutes	225	5.5%
5	more than 90 minutes	497	12.1%
6	logically not applicable	0
9	omitted	0

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

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