Slide showing column chart displaying 'Numbers with ability at the level reached by 50 per cent of all Fee-payers (i.e. I.Q. 130) compared with the numbers who receive opportunities of a higher education in each social category.' Slide shows black and white column chart displaying 'Numbers with ability at the level reached by 50 per cent of all Fee-payers (i.e. I.Q. 130) compared with the numbers who receive opportunities of a higher education in each social category.' The columns are set out as follows: 'A' comprises 'i', 'ii' and 'iii'; 'B' 'C' and 'D' have single pairs of columns, and 'E' comprises 'i', 'ii', 'iii'. The key, displayed in the upper left corner reads: '[white block] Ability; [black shaded block] Opportunity.' Title below image reads: 'Numbers with ability at the level reached by 50 per cent of all Fee-payers (i.e. I.Q. 130) compared with the numbers who receive opportunities of a higher education in each social category. A. Employing and Directive Classes; (i) Larger business owners and higher executives. (ii) Smaller business owners. (iii) Shopkeepers. B. Professional occupations. C.Minor professional and other highly skilled occupations. D. Clerical and commercial employees. E. Manual workers.: (i) Skilled wage-earners. (ii) Unskilled wage-earners. (iii) Fatherless wage-earning families.' Late 19th to early 20th century