Stats / confidence intervals

[robchallen]

Stats

Confidence intervals
https://gist.githubusercontent.com/gavinsimpson/ca18c9c789ef5237dbc6/raw/095c9be4d3654b5a8c05aaa6b9037ad1bdab53b3/derivSimulCI.R

What are the mean and variance of the ratio of two lognormal variables?
https://stats.stackexchange.com/questions/21735/what-are-the-mean-and-variance-of-the-ratio-of-two-lognormal-variables

Correlation of sums of correlated variables
https://math.stackexchange.com/questions/480858/correlation-of-sums-of-correlated-variables

https://stats.stackexchange.com/questions/310210/bounds-on-quantiles-of-the-sum-of-possibly-dependent-random-variables

R: Chebyshev Approximation
https://search.r-project.org/CRAN/refmans/pracma/html/chebApprox.html