Question 1102229
The median can be represented by a 'mu' greek letter, as represented by the photograph below.
https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Greek_lc_mu.svg/1200px-Greek_lc_mu.svg.png


It can also be represented by an x with a bar over it, as represented by the photograph below.
http://sphweb.bumc.bu.edu/otlt/mph-modules/bs/bs704_summarizingdata/SampleMeanFormula.png


The symbols I showed above have historically represented the mean, but technically, you can use any letter, greek letter, or symbol to represent it.