Please answer the following questions:

1. How does your textbook understanding of variability and the computations of variance and standard deviation compare to the discussions of variability in any or all of the videos?
2. What are the most important ideas you learned from the text that you didn't get from the videos and what about variability did you learn from the videos that you didn't learn from the text?
3. The standard deviation is one of the few equations that everybody should make sure to understand, so please write out how you would explain the equation including how to calculate the sample standard deviation to a friend and how you would explain its importance. Explain which of those tasks was harder for you and why.
4. Find and share an interesting but non-offensive "infographic" and explain some of the key statistics it shows. Is the infographic misleading in any, ? Click this link for an example of infographics. wayhttps://www.siegemedia.com/creation/best-infographics

Given our four videos which each discuss variability in different ways,

1. Variability (statistics)- Lydia Flynn (https://www.youtube.com/watch?v=ipYaHqutMds )
2. The Importance of Variation In Human Movement - Dr. Nick Stergiou (https://www.youtube.com/watch?v=0vjViLFziV4 )
3. Decreased facial expression variability in patients with serious cardiopulmonary diseasehttps://www.youtube.com/watch?v=phW7omG82uQ )
4. 09 Paul Ekman Dateline Clip on lying(https://www.youtube.com/watch?v=TwJJicJeox4