The Programme for International Student Assessment, Electronic Reading Assessment 2009
World, 2009
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Sep 05, 2014
Last modified
Mar 29, 2019
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MATH - P2000 Population Pyramids (Q04) - original responses (M155Q04R)
Data file: ERA_COG09_TD_JUNE11
Overview
Valid:
32921
Invalid:
74473
Type:
Discrete
Start:
253
End:
256
Width:
4
Format:
Questions and instructions
Categories
| Value | Category |
|---|---|
| 1111 | |
| 1112 | |
| 1119 | |
| 1121 | |
| 1122 | |
| 1181 | |
| 1191 | |
| 1192 | |
| 1199 | |
| 1211 | |
| 1212 | |
| 1218 | |
| 1219 | |
| 1221 | |
| 1222 | |
| 1281 | |
| 1282 | |
| 1291 | |
| 1292 | |
| 1299 | |
| 1911 | |
| 1912 | |
| 1921 | |
| 1922 | |
| 1992 | |
| 1999 | |
| 2111 | Full credit |
| 2112 | |
| 2118 | |
| 2119 | |
| 2121 | |
| 2122 | |
| 2128 | |
| 2129 | |
| 2181 | |
| 2182 | |
| 2191 | |
| 2192 | |
| 2199 | |
| 2211 | |
| 2212 | |
| 2219 | |
| 2221 | |
| 2222 | |
| 2228 | |
| 2229 | |
| 2281 | |
| 2291 | |
| 2299 | |
| 2811 | |
| 2822 | |
| 2881 | |
| 2911 | |
| 2912 | |
| 2919 | |
| 2991 | |
| 2992 | |
| 2999 | |
| 8111 | |
| 8112 | |
| 8121 | |
| 8212 | |
| 8221 | |
| 8881 | |
| 8888 | |
| 9111 | |
| 9112 | |
| 9119 | |
| 9121 | |
| 9122 | |
| 9191 | |
| 9192 | |
| 9199 | |
| 9211 | |
| 9299 | |
| 9911 | |
| 9919 | |
| 9991 | |
| 9992 | |
| 9998 | Invalid |
| 9999 | Missing |
| 7777 | N/A |
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.