Power Prep 2 Quants doubt - Spoiler alert

Anyone knows how to solve this? Range is 17 cms means what? Does it means the difference between the 200th and the 1st measurement is 17?

More precisely, the difference between the largest and smallest value in the dataset is 17. So if you assume 49.5 is the largest in the dataset range implies that the minimum value in the dataset (let’s say x) can be calculated by 49.5 - x = 17

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