Your question is Mean and Standard Deviation Basics. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are given a small numeric dataset and asked to summarize its center and spread. This is a basic descriptive statistics task that often comes up before deeper analysis.
Write a function to calculate the mean and standard deviation of a dataset.