References

Bickel, P.J., and Kjell A. Doksum. 1977. Mathematical Statistics: Basic Ideas and Selected Topics. Holden-Day Series in Probability and Statistics, v. 1. Prentice Hall. https://books.google.com.co/books?id=ucMfAQAAIAAJ.

Casella, G., and R.L. Berger. 2002. Statistical Inference. Duxbury Advanced Series in Statistics and Decision Sciences. Thomson Learning. https://books.google.com.co/books?id=0x\_vAAAAMAAJ.

Talke, Susan. 2011. PubH 6414: Biostatistics I (Fall), Section 5, Part 1 Practice Exercises. http://www.biostat.umn.edu/~susant/worksheets/WKSHT6a_NormalDist.pdf.