hi, can someone help me answer this question. please provide me the step on how to do manually without calculate the calculation in excel. thank you

QUESTION 2 (15 MARKS) A company has three manufacturing plants, and company officials want to determine whether there is a difference in the average age of workers at the three locations. The following data are the ages of five randomly selected workers at each plant. Location 1 Location 2 Location 3 29 32 25 27 33 24 30 31 24 27 34 25 28 30 26 1 = 141 12 = 160 *3 = 124 *1 = 28.2 12 = 32 *3 = 24.8 i. Construct an ANOVA table . (8 marks) ii. Perform a one-way ANOVA to determine whether there is significant difference in the mean ages of the workers at the three plants. Use a = 0.01. (7 marks)