What is the range median mode mean of 72 93 57 72 46 68?

First of all place the numbers in rank order. Hence

46,57,68,72,72,93.

RANGE; is the difference between the highest and lowest numbers, which is 93-46 = 47

MEDIAN: is the absolute mid-point. Since there is no absolute mid-point, we take the two middle numbers , add them and divide by '2'. Hence. ( 68+72)/2 = 70

MODE: is the term that occurs most frequently. In this case '72'. as there are two of them , but only one each of the other terms.

MEAN; Add all the terms and divide by the number of terms.

(46+57+68+72+72+93) / 6 = 408/6 = 68