Both of them are good career options. But "事数据挖掘分析行业" is relatively simple and concerns of your data analysis skills, while "管理咨询行业" is a bit complicated and it will see data analysis is one of its skills but some more other management skills, soft skills or even econ analysis mindset are also required. There is no perfect ans to which one is better, but you need to think which one is more fit with your career plan.