solved I’m working on a sports management discussion question and need

I’m working on a sports management discussion question and need an explanation to help me learn.

Please read the attached article below and provide your thoughts on differences and similarities between managers and leaders in sports.  
https://hbr.org/2004/01/managers-and-leaders-are-t…

1. Why is the standard deviation rather than the average deviation typically used?
2. Describe how the mean and standard deviation are reported in research journals?
3. Describe the two general purposes for transforming X values into Z-Scores.