Trends in International Mathematics and Science Study 2015

International, 2015

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Reference ID

int-iea-timss-2015-v1

Producer(s)

TIMSS & PIRLS International Study Center

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TIMSS and PIRLS

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Mar 20, 2021

Last modified

Mar 20, 2021

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ARTESIAN WATER: DIFFERENCE IN FLOW (A) (S052289B)

Data file: TIMSS-2015-pop2-studen-achievement-allcountries-metadata

Overview

Valid: 142

Invalid: 858

Type: Discrete

Decimal: 0

loc_start_pos: 310

loc_end_pos: 310

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	A*	63	44.4%
2	B	21	14.8%
3	C	34	23.9%
4	D	24	16.9%
Sysmiss		858

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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