Which of the following datasets has the smallest range? the answers are fifty Thirty Ten Zero Eighty and a hundred the another one is A hundred and forty eight a hundred and forty five a hundred and seventeen a hundred and forty eight a hundred and ninety nine a hundred and seventy two the Third one is 324 318 367 312 389 377 the last one is thirty seven nineteen forty fifty four seventy five sixty eight which one is the answer?

The dataset with the smallest range is "Thirty Seven Nineteen Forty Fifty Four Seventy Five Sixty Eight" as the range is only 56 (19 to 75).