Commutative - addition.
You're switching a and b to get the same answer. It works with Multiplication too, as you can tell!
In order from least to greatest, it's listed as:
0.015, 0.105, 0.15, 0.501.
0.015 is the lowest number because it is the farthest from being a whole. It starts with .0, whereas the rest of them have a number higher than 0 after the period.
Answer:
Marginal relative frequency is the ratio of the sum of the joint relative frequency in a row or column and the total number of data values. ... Conditional relative frequency numbers are the ratio of a joint relative frequency and related marginal relative frequency