Quantitative marketing is a data-driven approach to marketing that utilizes numerical analysis and statistical methods to measure and optimize marketing strategies. It involves collecting and analyzing large amounts of data to gain insights into consumer behavior, market trends, and the effectiveness of marketing campaigns. By using quantitative techniques such as surveys, experiments, and data mining, businesses can make informed decisions and tailor their marketing efforts to reach their target audience more effectively. This method allows for a more precise and measurable approach to marketing, leading to better ROI and overall success in the competitive market.