2. A physics class is divided into four different groups of 4 students each, with each student tasked with solving as many assignment problems as they can. The number of problems solved by the students within each group are listed below. Conduct a one-way ANOVA (a = .05) to determine if there is a significant difference between the groups.

Group 1: 7, 5, 2, 2

Group 2: 8, 3, 2, 3

Group 3: 2, 2, 5, 3

Group 4:3, 6, 7, 4

No use of excel please, no handwritten calculation and please show all the calculations.