Programme for International Student Assessment 2006

Argentina, Australia, Austria...and 54 more, 2006

Reference ID

WLD_2006_PISA_v01_M

Producer(s)

Organisation for Economic Co-operation and Development (OECD)

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

Nov 23, 2011

Last modified

Jun 14, 2022

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Teacher-student ratio (STRATIO)

Data file: INT_Sch06_Dec07

Overview

Valid: 12727

Invalid: 1638

Minimum: 0.268

Maximum: 100.333

Mean: 15.373

Standard deviation: 8.488

Type: Continuous

Decimal: 3

Start: 307

End: 314

Width: 8

Range: 0.268 - 100.333

Format: Numeric

Questions and instructions

Categories

Value	Category
9997	N/A
9998	Invalid
9999	Missing

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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