As far as I understand A)
Answer:
range = 51
Step-by-step explanation:
Range = biggest - smallest
62 - 11 = 51
Answer:
-0.5
Step-by-step explanation:
We will write it as a fraction in ordet to solve, that is:

We then operate as follows:

We have this, since 1 integer will be equal as a numerator divided by a denominator with equal values. Examples 1 = 2/2, 1 = 45/45, ...