This is personal study note Copyright and original reference: https://www.youtube.com/watch?v=vtT5JzOIiCU&list=PLsri7w6p16vtEz_J1G7HQG-Rm8vpZPtPS&index=4 ================================================================================ So far, to reject or adopt the null hypothesis, you saw test_statistic_value_t < p_value If it's true, null hypothesis is rejected, in case of left sided test ================================================================================ ================================================================================ ================================================================================ Example ================================================================================ ================================================================================ ================================================================================ ================================================================================