Tweet
Question: How confident do you feel about having to do the following mathematics tasks? - Using the concept of statistical variation to make a decision
Choices: "Not at all confident" "Not very confident" "Confident" "Very confident"
Data: % of "Confident" "Very confident"
Period:
Area:
37 countries/ areas
Highlight:
1 Colombia61.1%
2 Turkiye58.9%
3 New Zealand57.0%
4 Denmark54.6%
5 Iceland53.3%
6 France52.9%
7 Australia52.5%
8 Canada52.4%
9 Finland50.0%
10 Ireland47.8%
11 Portugal47.4%
12 United States46.5%
13 United Kingdom45.4%
14 Mexico45.2%
15 Costa Rica44.2%
16 Slovakia43.4%
17 Sweden42.8%
18 Chile42.6%
19 Spain41.4%
20 Lithuania40.5%
20 Netherlands40.5%
22 Switzerland40.3%
23 Israel40.1%
24 Norway36.5%
25 Austria35.3%
26 Italy 35.1%
27 Belgium34.8%
28 Latvia34.1%
29 Slovenia33.9%
30 Hungary33.5%
31 Estonia32.5%
32 Japan28.6%
33 Republic of Korea27.4%
34 Poland27.2%
35 Germany26.9%
36 Greece26.5%
37 Czech Republic26.3%

Note
The data of Azerbaijan are collected only in Baku. The data of Ukraine are collected from 18 out of 27 regions.

No data for 1 countries.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data37
Regression equation
Y = 0.695912 X +6.384
Correlation coefficient (r)0.119
Coefficient of determination (R2)0.014

GDP per capita (current US$)
No. of data37
Regression equation
Y = 40258.120967 X +25621.932
Correlation coefficient (r)0.154
Coefficient of determination (R2)0.024

Life expectancy at birth - Both sexes (years)
No. of data37
Regression equation
Y = -0.665287 X +80.052
Correlation coefficient (r)-0.017
Coefficient of determination (R2)0.000

Fertility rate, total (births per woman)
No. of data37
Regression equation
Y = 0.967373 X +1.190
Correlation coefficient (r)0.299
Coefficient of determination (R2)0.089

Suicide, age-standardized (per 100 000 population)
No. of data37
Regression equation
Y = -11.839520 X +14.819
Correlation coefficient (r)-0.279
Coefficient of determination (R2)0.078