PPT: https://www.dropbox.com/scl/fi/d1393m6msvbupa8530ts3/Lecture-22-Hypothesis-testing-T-test.pptx?rlkey=cz8qjpkr1scoi5yzwvh5fs5te&dl=0
Youtube vide: https://www.youtube.com/watch?v=85bfv7ACL64&list=PLCbnTPkThjqEMRBIv2ZpIrAPH8AMOrLPw&index=9
Code: https://www.dropbox.com/scl/fi/ycp72vqee3atc8sohm2gu/T-test.Rmd?rlkey=ypo49wbxanezzdr1ied3qnf2v&dl=0