Ashop owner wants to market a new vest. the vest distributor will charge a reduced price for one size of the owner’s choice. the owner knows that the size selected should be the mode of the sizes the shop sells. in one typical day, the shop owner sold the following sizes of vests:

40, 41, 41, 44, 44, 37, 38, 42, 41, 39, 44, 39, 37, 44, 42

find the mode of the sizes?

a: 44
b: 40.9
c: 42
d: 46

pls