Refer to the study described in Exercise 14.8. Determine the number of replications needed to obtain an α = .05 test having power of at least 80% that detects a difference of 10 in any pair of treatment means. Use the data from Exercise 14.8 to estimate the value of σ2e.
In exercise

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51 52 43 48 39 33 56 43 40 51 45 A-30 47 6 2 4 6 3 4 3 25 767,4 16 3.8 .4 2423422 9822626376 1,1 31321 A-37 6 28 4 32 16 8 41 29 18 210 ,-3684 32 16 8 4 2 19 35 22 28 95 22 2 1 2 2 1 3 81 27 27 16 3 8 196 、 19 36 40 30 4 10 30 5 34 21 22, 1234567890 Mean by age group: A A AMean by product type: Pi P 23.0 25,05 33.75 2147 33.07