Answer: 16146
Mean = Sum of nos. / Count of numbers = (23+26+13+27+27+14+31)/7 = 161/7 = 23
Median = Middle term when number are arranged in ascending order (13, 14, 23, 26, 27, 27, 21) = 26
Mode = Number which is present maximum number of times (13, 14, 23, 26, 27, 27, 21) =27
Product = 23*26*27 = 16146