Tag: standard-error
Interview Questions
- Why does halving your error need four times the data?
- How many years to know a mean return?
- Sample size for a poll's margin of error
- Build a confidence interval for a mean return
- How many days for a t-stat of 2?
- Standard error vs standard deviation
- How much data to halve the standard error?
- How noisy is an estimated Sharpe ratio?