To calculate the one way ANOVA formula we follow these steps mentioned below:Step 1: Estimate the total group means and the overall mean. Initially, we will estimate the mean for all three groups along with the overall mean.Step 2: Then Calculate the sum of squaresStep 3: After SSR calculate Sum of Squares of Error.Step 4: Calculate Sum of squares of transitionsStep 5: Substitute in the ANOVA table.Step 6: Interpret the results.