Problem Solving (PS) | Which of the following sets has the smallest standard deviation?

HiTheMastermind ,

Thanks for tagging me in this. I love this type of questions.

Here, you need to know one important concept.

Standard deviation is the amount of data that is farthest from the average of the numbers.
So, all you need to do is find out the average of each set and then determine the sum of the gaps of each numbers from the mean.

The lower the gap, the smaller the Standard Deviation.

Let
...

---