How Hypothesis Tests Work: Significance Levels (Alpha) and P values
https://towardsdatascience.com/statistical-significance-hypothesis-testing-the-normal-curve-and-p-values-93274fa32687
https://blog.minitab.com/blog/adventures-in-statistics-2/understanding-hypothesis-tests-significance-levels-alpha-and-p-values-in-statistics
https://towardsdatascience.com/statistical-tests-when-to-use-which-704557554740
https://blog.minitab.com/blog/alphas-p-values-confidence-intervals-oh-my
https://www.geo.fu-berlin.de/en/v/soga/Basics-of-statistics/Hypothesis-Tests/Introduction-to-Hypothesis-Testing/Critical-Value-and-the-p-Value-Approach/index.html
https://www.statisticshowto.datasciencecentral.com/probability-and-statistics/find-sample-size/
https://www.statisticshowto.datasciencecentral.com/probability-and-statistics/confidence-interval/
https://www.statisticshowto.datasciencecentral.com/degrees-of-freedom/
https://www.khanacademy.org/math/ap-statistics/estimating-confidence-ap/one-sample-t-interval-mean/v/introduction-to-t-statistics
http://evolution.gs.washington.edu/gs560/2011/lecture3.pdf
best youtube video
Excel Function for finding T distribution:
https://www.excelfunctions.net/excel-tdist-function.html
