The 20 countries, randomly selected for this study, were grouped by geographic regions, allowing for a more nuanced analysis of economic and social indicators across different parts of the world, with a particular focus on investigating the Infant mortality rate is Region dependent.

The country from Latin America & Caribbean was excluded from the sample, reducing the total number of countries analysed and an ANOVA was run. The p-value was found to be smaller than 0.05.

The test statistic (F) is