As it relates to portfolio returns, what is the difference between daily and annualized means and daily and annualized standard deviations? Discuss.

Using excel, generate a fictional portfolio with returns for 20 days. From those returns calculate:

1. The arithmetic and geometric mean (daily and annualized)
2. Standard deviation (daily and annualized)

THIS IS NOT FOR ME TO SUBMIT AS MY OWN WORK. THIS IS FOR ME TO UNDERSTAND THE CONCEPT!