Maths help

[I_will_answer]

Find the range of each of the following sets of data.
a: 23, 37, 18, 23, 28, 19, 21, 25, 36
b: 3, 1, 2, 3, 1, 0, 4, 2, 4, 2, 6, 5, 4, 5
c: 14, 12, 18, 6, 10, 20, 16, 8, 13, 14, 13
d: 99, 101, 107, 103, 109, 102, 105, 110, 100, 98, 101, 95, 104


Please help as i am dumb at maths, Many thanks Elliott

[factor-fiction]

I will leave you to work them out using the fact that the range is simply the difference between the highest and the lowest- so simply subtract the smallest value from the largest

[Graham-W]

To get the range, subtract the lowest figure from the highest.