888 Marketing Research & Promotion Budgeting Case here is supported by Science, to be a 6666 Carats of an Econometric Diamond, (in Six Sigma Measures, based on 10 data known). Richest Ever Econometric Formulas could be listed in a book It deals with PRACTICAL MARKETING CASE, as the Chief Executive Officer (CEO)'s Daily Duty in Marketing Explanation, for their Monthly Sales world-wide of the last 5 (five) years, at average of 1,000 million USD per month, with 80 million USD Standard Deviation. As the Firm said that it is a result of 100 million USD Marketing Promo per month with 10 million USD Standard Deviation. Corporate Marketing Research said that they both are 80% Correlated and the Square of monthly Promotion (also 90% Correlated to the monthly Sales, at 9000 million USD Standard deviation). Which its Sales did actually 70% correlated with the Cubic of the monthly Promotion Budget. Then the CEO needs 880 more statistical data from just Eight data available, and more 6656 data from those total 10 data given. Since normal Econometrician could not offer a help, then some Analytic Geometry used to calculate other 6656 statistical identity of the existing 10 (ten) data exist. Econometrician & Statistician could also learn from its rich Theoretical background &stories of world class Economists' & Geometricians' works