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(b) Use Fisher's LSD procedure to determine which means are different. Find the value of LSD. (Round your answer to two decimal places.) LSD = 31.53 X Find the pairwise absolute difference between sample means for each pair of treatments. x₁ - x₂ = 24 ₁-X₂ = 6 X₂ - X3 = 18 Which treatment means differ significantly? (Select all that apply.) There is a significant difference between the means for treatments 1 and 2. There is a significant difference between the means for treatments 1 and 3. There is a significant difference between the means for treatments 2 and 3. There are no significant differences.

(b) Use Fisher's LSD procedure to determine which means are different. Find the value of LSD. (Round your answer to two decimal places.) LSD = 31.53 X Find the pairwise absolute difference between sample means for each pair of treatments. x₁ - x₂ = 24 ₁-X₂ = 6 X₂ - X3 = 18 Which treatment means differ significantly? (Select all that apply.) There is a significant difference between the means for treatments 1 and 2. There is a significant difference between the means for treatments 1 and 3. There is a significant difference between the means for treatments 2 and 3. There are no significant differences.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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(b) Use Fisher's LSD procedure to determine which means are different. Find the value of LSD. (Round your answer to two decimal places.) LSD = 31.53 X Find the pairwise absolute difference between sample means for each pair of treatments. - = 24 X₁-X3 6 = 72 - 73 = 18 Which treatment means differ significantly? (Select all that apply.) There is a significant difference between the means for treatments 1 and 2. There is a significant difference between the means for treatments 1 and 3. There is a significant difference between the means for treatments 2 and 3. There are no significant differences.
Transcribed Image Text:(b) Use Fisher's LSD procedure to determine which means are different. Find the value of LSD. (Round your answer to two decimal places.) LSD = 31.53 X Find the pairwise absolute difference between sample means for each pair of treatments. - = 24 X₁-X3 6 = 72 - 73 = 18 Which treatment means differ significantly? (Select all that apply.) There is a significant difference between the means for treatments 1 and 2. There is a significant difference between the means for treatments 1 and 3. There is a significant difference between the means for treatments 2 and 3. There are no significant differences.
The following data are from a completely randomized design. In the following calculations, use α = 0.05. x; 2 $;j* Treatment Treatment Treatment 1 2 3 64 47 54 43 52 84.67 3ܐܐ = 2ܐܐ = 1ܬ :Ho Hai Hq #H₂ # Hz 82 71 89 62 Hoi H₂ H₂ H3 H₂H₂ = H₂ = 13 76 142.00 69 54 62 (a) Use analysis of variance to test for a significant difference among the means of the three treatments. State the null and alternative hypotheses. Ho: Not all the population means are equal. H₂H₂H₂ = 13 47 58 91.33 Ho: At least two of the population means are equal. H₂: At least two of the population means are different. H₁ H₂ = H₂ = 13 Ha Not all the population means are equal. Find the value of the test statistic. (Round your answer to two decimal places.) 6.28 x Find the p-value. (Round your answer to three decimal places.) p-value = 0.980 X State your conclusion. Reject Ho. There is sufficient evidence to conclude that the means of the three treatments are not equal. Do not reject H. There is not sufficient evidence to conclude that the means of the three treatments are not equal. Do not reject H. There is sufficient evidence to conclude that the means of the three treatments are not equal. Reject Ho. There is not sufficient evidence to conclude that the means of the three treatments are not equal.
Transcribed Image Text:The following data are from a completely randomized design. In the following calculations, use α = 0.05. x; 2 $;j* Treatment Treatment Treatment 1 2 3 64 47 54 43 52 84.67 3ܐܐ = 2ܐܐ = 1ܬ :Ho Hai Hq #H₂ # Hz 82 71 89 62 Hoi H₂ H₂ H3 H₂H₂ = H₂ = 13 76 142.00 69 54 62 (a) Use analysis of variance to test for a significant difference among the means of the three treatments. State the null and alternative hypotheses. Ho: Not all the population means are equal. H₂H₂H₂ = 13 47 58 91.33 Ho: At least two of the population means are equal. H₂: At least two of the population means are different. H₁ H₂ = H₂ = 13 Ha Not all the population means are equal. Find the value of the test statistic. (Round your answer to two decimal places.) 6.28 x Find the p-value. (Round your answer to three decimal places.) p-value = 0.980 X State your conclusion. Reject Ho. There is sufficient evidence to conclude that the means of the three treatments are not equal. Do not reject H. There is not sufficient evidence to conclude that the means of the three treatments are not equal. Do not reject H. There is sufficient evidence to conclude that the means of the three treatments are not equal. Reject Ho. There is not sufficient evidence to conclude that the means of the three treatments are not equal.
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