the flipped classroom. The result also revealed that flipped classroom environment is more effective to high performing students than moderate to low performing students. TEST Ill: Determine the statistical tool and formulate the null hypothesis (Ho) and the alternative hypothesis (Ha) of the following problems. 1. Test the hypothesis that the mean score before the treatment is significantly different from the mean soore after the treatment using 1% level of significance. 3. . Test the hypothesis that is no significant relationship between the sex of employees and their job satisfaction level, if in a certain company in Makati, the following results were obtained. Use 0.05 level of | significance. JOB SATISFACTION LEVEL SEX LOW MEDUIM HIGH TOTAL MALE 45 60 55 160 FEMALE 9 10 10 29 TOTAL 54 70 65 189