please dont use excel. i need a clear discription of the answer and how you arrived there

The Head of Operations of a large clothing manufacturing company conducted experiment to study the effect on productivity of increases in its employees' hourly wage The four treatments used: Treatment 1: No increase in hourly wage. Treatment 2: Increase hourly wage by $0.50 Treatment 3: Increase hourly wage by $1.00 Treatment 4: Increase hourly wage by $1.50 Twelve employees were selected and grouped into three blocks of size four according to the length of time they had been with the company. The four treatments were randomly assigned to the four employees in each block. The employees were observed for three weeks and their productivity was measured as the average number of non-defective The Head of Operations of a large clothing manufacturing company conducted experiment to study the effect on productivity of increases in its employees' hourly wage The four treatments used: Treatment 1: No increase in hourly wage. Treatment 2: Increase hourly wage by $0.50 Treatment 3: Increase hourly wage by $1.00 Treatment 4: Increase hourly wage by $1.50 Twelve employees were selected and grouped into three blocks of size four according to the length of time they had been with the company. The four treatments were randomly assigned to the four employees in each block. The employees were observed for three weeks and their productivity was measured as the average number of non-defective