Group 1 - The core advantage of a pure mathematics background in data analysis is the strong modeling ability, logical thinking, and fast learning speed, which are highly valued by companies [1][3] - Companies prefer candidates with a pure mathematics background for high-end data analysis positions, such as quantitative analysts and data scientists, due to their ability to abstract complex business problems into mathematical models [3][9] - The CDA (Certified Data Analyst) certification is recognized as a valuable credential in the data field, comparable to CPA and CFA, and is recommended by authoritative media [6][8] Group 2 - The job market for data analysts is favorable, with starting salaries around 15K+, and there is a significant industry gap for qualified professionals [10] - Companies like China Unicom, CCTV Guangxin, Deloitte, and Suning prioritize CDA holders in their hiring processes, indicating high demand for this certification [8] - Pure mathematics graduates are encouraged to enhance their tool skills, particularly in Python and SQL, to complement their theoretical knowledge and improve employability [12][13]