Can anyone explain how to find mad?

2. what is the mad of the data set?

{5, 12, 1, 6, 11}

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Need asap i will give brainliest and 98 points classify each pair of numbered angles corresponding, alternate interior, alternate exterior or none o these