Marketing and data analysis are very much related. You need to have solid some level of data analytics skills to wrangle customer data to make sense out of it or another use case is A/B testing for figuring which marketing campaign to target your audience based on several metrics. Several career paths in marketing that have a great deal of data analytics components. Important to take note that you won't need to do any advanced data modelling, so it doesn't hurt to take a second major in data analysis as it only makes you more competitive.
Facebook has a very good Marketing Analytics program on Coursera and I believe it's worth your attention:
https://www.coursera.org/professional-certificates/facebook-marketing-analytics#courses