An experiment was carried out to compare electrical resistivity for six different low-permeability concrete bridge deck mixtures. There were 26 measurements on concrete cylinders for each mixture; these were obtained 28 days after casting. The entries in the accompanying ANOVA table are based on information in an article. Fill in the remaining entries. (Round your answer for f to two decimal places.) You can use the Distribution Calculators page in SALT to find critical values and/or p-values to answer parts of this question. Source df Sum of Squares Mean Square f Mixture Error 13.989 Total 5664.505 Test appropriate hypotheses at level 0.05. State the appropriate hypotheses. (Let ?i = the true mean electrical resistivity for the ith mixture.) H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6 Ha: all six ?i's are unequal H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6 Ha: at least two ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6 Ha: all six ?i's are equal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6 Ha: at least two ?i's are equal Give the test statistic. (Round your answer to two decimal places.) f = What can be said about the P-value for the test? P-value > 0.100 0.050 < P-value < 0.100 0.010 < P-value < 0.050 0.001 < P-value < 0.010 P-value < 0.001 State the conclusion in the problem context. Reject H0. There is sufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Reject H0. There is insufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Fail to reject H0. There is sufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Fail to reject H0. There is insufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures.
An experiment was carried out to compare electrical resistivity for six different low-permeability concrete bridge deck mixtures. There were 26 measurements on concrete cylinders for each mixture; these were obtained 28 days after casting. The entries in the accompanying ANOVA table are based on information in an article. Fill in the remaining entries. (Round your answer for f to two decimal places.) You can use the Distribution Calculators page in SALT to find critical values and/or p-values to answer parts of this question. Source df Sum of Squares Mean Square f Mixture Error 13.989 Total 5664.505 Test appropriate hypotheses at level 0.05. State the appropriate hypotheses. (Let ?i = the true mean electrical resistivity for the ith mixture.) H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6 Ha: all six ?i's are unequal H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6 Ha: at least two ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6 Ha: all six ?i's are equal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6 Ha: at least two ?i's are equal Give the test statistic. (Round your answer to two decimal places.) f = What can be said about the P-value for the test? P-value > 0.100 0.050 < P-value < 0.100 0.010 < P-value < 0.050 0.001 < P-value < 0.010 P-value < 0.001 State the conclusion in the problem context. Reject H0. There is sufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Reject H0. There is insufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Fail to reject H0. There is sufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Fail to reject H0. There is insufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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An experiment was carried out to compare electrical resistivity for six different low-permeability concrete bridge deck mixtures. There were 26 measurements on concrete cylinders for each mixture; these were obtained 28 days after casting. The entries in the accompanying ANOVA table are based on information in an article. Fill in the remaining entries. (Round your answer for f to two decimal places.)
You can use the Distribution Calculators page in SALT to find critical values and/or p-values to answer parts of this question.
Source | df | Sum of Squares |
f | |
---|---|---|---|---|
Mixture | ||||
Error | 13.989 | |||
Total | 5664.505 |
Test appropriate hypotheses at level 0.05. State the appropriate hypotheses. (Let ?i = the true mean electrical resistivity for the ith mixture.)
H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6
Ha: all six ?i's are unequal H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6
Ha: at least two ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6
Ha: all six ?i's are equal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6
Ha: at least two ?i's are equal
Ha: all six ?i's are unequal H0: ?1 = ?2 = ?3 = ?4 = ?5 = ?6
Ha: at least two ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6
Ha: all six ?i's are equal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 ≠ ?5 ≠ ?6
Ha: at least two ?i's are equal
Give the test statistic. (Round your answer to two decimal places.)
f =
What can be said about the P-value for the test?
P-value > 0.100 0.050 < P-value < 0.100 0.010 < P-value < 0.050 0.001 < P-value < 0.010 P-value < 0.001
State the conclusion in the problem context.
Reject H0. There is sufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Reject H0. There is insufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Fail to reject H0. There is sufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures. Fail to reject H0. There is insufficient evidence to conclude that the true mean electrical resistivity is not the same for all 6 mixtures.
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