●●● ●●●● Hypothesis testing ●●●●● ●●●● Aim: Is the average English score of students from 2 0000 ●●●● schools different or same? Methods 1. Compute and compare two population mean directly ≠ XINI 21/1/292021/1/29 3 Hypothesis testing Aim: Is the average English score of students from 2 schools different or same? Methods1. Compute and compare two population mean directly 1 2 1 2 = 