Find the mode in the following values: 23, 23, 4, 56, 33, 56, 12, 23, 33, 56

The mode of a set of values is the value that appears most frequently.

Here are the steps to find the mode:

1. List the values: 23, 23, 4, 56, 33, 56, 12, 23, 33, 56
2. Count how many times each value appears:
   • 23 appears 3 times
   • 4 appears 1 time
   • 56 appears 3 times
   • 33 appears 2 times
   • 12 appears 1 time
3. The mode is the value that appears most frequently. In this case, there are two modes: 23 and 56, because they both appear 3 times, which is more than any other value.

So, the modes of this set of values are 23 and 56.