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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:
10 countries/ areas
Highlight:
1 France52.9%
3 Canada52.4%
4 United States46.5%
5 United Kingdom 45.4%
7 Italy35.1%
8 Japan28.6%
10 Germany26.9%

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

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = 1.627416 X +5.915
Correlation coefficient (r)0.608
Coefficient of determination (R2)0.370

GDP per capita (current US$)
No. of data7
Regression equation
Y = 55544.437902 X +27897.444
Correlation coefficient (r)0.391
Coefficient of determination (R2)0.153

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -5.907309 X +83.943
Correlation coefficient (r)-0.305
Coefficient of determination (R2)0.093

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 1.108104 X +1.019
Correlation coefficient (r)0.569
Coefficient of determination (R2)0.324

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 5.828064 X +7.064
Correlation coefficient (r)0.188
Coefficient of determination (R2)0.035