What are the top schools for online part-time Masters in data science/analytics programs? Is it much better to do the program in person?
Michigan University has a nice and good dual program that you get your Master in Data Science and also a MBA.
I'd take a look at MIT's Master of Business Analytics as well.

If you want to get a job, I don't think a Master is necessary. This Forbes article explains that pretty well https://www.forbes.com/sites/metabrown/2016/07/29/4-reasons-not-to-get-that-masters-in-data-science/#160f195a40c0