Solve the following question in the image below:

The output per hour of 15 employees who were imparted three different training is given below. Test whether the performance under three training programs is different. Use alpha =0.05. Show all calculations. [6] Method-1 Method-2 Method-3 15 17 24 18 27 19 19 18 16 22 21 20 11 17 16 Average 17.00 20.00 19.00 Variance 17.50 18.00 11.00