AN VA A teacher would like to see if teaching methodology would have different effects on students' ability to solve complex mathematical problem. Fifteen students with almost the same IQ level have been selected for observation. The students will be divided into three groups of different teaching methodologies. The time taken (in minutes) for each student to solve the given mathematical oroblem is recorded as below: Flipped Classroom Online Lecture Conventional Lecture 15 13 13 Using ANOVA, clearly show the steps to test the difference between the average time taken to solve the complex mathematical problem using the three teaching methodologies. (10 Marks}