The hours of relief are measured under a placebo, Brand A, and Brand B sinus med

Question

The hours of relief are measured under a placebo, Brand A, and Brand B sinus medicines. Call these treatment 1, treatment 2, and treatment 3, respectively. They are each given in succession, in random order, to a subject with two days between each treatment. Suppose the data are Treatment:1 2 3 Block 1 2 3 4 (setup):(treatment 1:11 10 7 0) (treatment 2 :7 8 7 2) (treatment 3: 15 6 13 10) Present the ANOVA table. [Round answers to two decimal places.] Source of variation Degrees of freedom Sum of squares Mean square F Treatments Blocks Error 10.667

Explanation / Answer

Anova: Two-Factor Without Replication SUMMARY Count Sum Average Variance Trt1 4 28 7 24.66667 Trt2 4 24 6 7.333333 Trt3 4 44 11 15.33333 Block1 3 33 11 16 Block2 3 24 8 4 Block3 3 27 9 12 Block4 3 12 4 28 ANOVA Source of Variation SS df MS F P-value F crit Rows 56 2 28 2.625 0.151704 5.143253 Columns 78 3 26 2.4375 0.162607 4.757063 Error 64 6 10.66667 Total 198 11

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