It was made because it helps us to produce better statisticians. We don't much care where they come from. Some of the statistical methods you will study in basic courses were developed to answer practical problems. Modern experimental design was founded by Ronald A. Fisher, an expert in agricultural genetics. The Job Market.
Students graduating today enter a competitive job market.
Employers value both the expertise from the first major and the insights that a knowledge of statistical methods can provide. A candidate with knowledge of both areas has an important edge. In the longer run, those who know some statistics often find themselves in a position to access and to understand data that is crucial to running a business. This can create powerful scenarios for job advancement. Admission to Graduate Study.