У вашего броузера проблема в совместимости с HTML5
This video shows Dr. Evan Matthews explaining how to calculate a standard error of the mean in Excel. The sample data in this video represents the heart rate of several participants at rest and during increasing levels of exercise intensity.
Link to video of how to calculate an average in Excel.
https://youtu.be/JxIkJsAIRUc
Link to Dr. Evan Matthews website.
https://sites.google.com/site/evanmatthewseportfolio/home