You want to see if three different cafes yield different costs for a lunch meal for a week. You randomly select five measurements from trials on an automated driving machine for each cafe. At the 0.05 significance level, is there a difference among cafes in mean lunch meal cost? Test this claim showing all calculation steps clearly in the Ms World file (25P) and draw an ANOVA Table for the solution

Cafe 1 35 23 34 34 39

Cafe 2 20 28 26 22 18

Cafe 3 25 25 34 38 42

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