統計大師Karl Pearson 說 :「統計是科學的文法(Statistics is the grammar of science)。」統計學是在資料分析的基礎上研究測量、蒐集、整理、歸納、分析資料，以便提出正確資訊的科學。為了有效地推進品質管理，活動中蒐集有關品質之資料，解析資料的方法就顯得重要。此處將此常用的統計方法稱為品管的統計方法（Statistical Quality Control;
This book is a history of village communities in the New Territories of Hong Kong, including those in the areas of Ha Tsuen, Hung Shui Kiu, and Sha Tin as well as those on the islands of Lamma, Ma Wan
