I need answer here

4. A research was conducted by the alumni affairs office of a university to determine the time taken by fresh graduates of three degree courses to find their first job. The analysis of variance was used to test whether there was a significant difference in the time taken to find the first job among graduates of the three degree courses. The following data were computed: Total sum of squares = 449.6 Mean square within a group = 19.03 Total df = 14 4.1 Prepare the complete analysis of variance table. Show your solution. 4.2 Interpret the results1. The lowest score is 4 and the highest score is 53 There are 10 class intervals The sample size is 40 The sum of the product of the frequency and the midpoint = 1260 The frequency of the median class interval is equal to the class size The cumulative frequency below the median class interval is given by the equation: n f cum = - 2 2 Determine the median class interval if the sample mean is equal to the median. Show your solution