Statistics - Anova - Two factor Experiment

Articles manufactured by a company are produced by 3 operators using 3 different machines. The manufacturer wishes to determine whether there is a difference
(a) between operators (b) between machines. An experiment is performed to determine the number of articles per day produced by each operator using each machine : the results are given in table. Provide the desired information using a level of significance of 0.05

Operator 1 Operator 2 Operator 3
Machine A 23 27 24
Machine B 34 30 28
Machine C 28 25 27

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