https://guides.library.cornell.edu/StatisticalSources/
https://www.statista.com/
https://data.gov.in/sector/statistics
https://www.indiastat.com/
https://statisticsbyjim.com/
https://www.examrace.com/Study-Material/Statistics/
http://www.ignouhelp.in/ignou-pgdast-study-material/
https://mrcet.com/downloads/MBA/Statistics%20for%20Managers.pdf
http://statsinfoindia.weebly.com/study-material.html
https://www.geektonight.com/statistics-for-management-pdf/
http://kamarajcollege.ac.in/Department/Commerce/II%20Year/002%20Core%206%20-%20Business%20Statistics%20-%20III%20Sem.pdf
https://www.ddegjust.ac.in/studymaterial/mcom/mc-106.pdf
https://www.itl.nist.gov/div898/handbook/prc/section1/prc13.htm#:~:text=A%20statistical%20test%20provides%20a,or%20hypothesis%20about%20the%20process.&text=A%20classic%20use%20of%20a%20statistical%20test%20occurs%20in%20process%20control%20studies
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5037948/
https://www.fao.org/3/W7295E/w7295e08.htm
http://www.princeton.edu/~otorres/Excel/
https://www.excel-easy.com/examples.html
https://bookdown.org/mikemahoney218/LectureBook/basic-statistics-using-r.html
https://smac-group.github.io/ds/