The following data was reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite). 1: 20.6 28.1 27.8 27.0 27.9 25.2 25.3 27.1 20.5 31.2 2: 26.5 24.0 26.2 20.2 23.6 34.0 17.1 26.8 23.7 24.8 3: 30.2 34.0 27.5 29.4 28.3 26.2 29.9 29.5 30.0 35.8 4: 36.6 44.2 34.1 30.3 32.0 33.1 34.1 32.9 36.3 25.2 Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 Ha: at least two ?i's are equalH0: ?1 = ?2 = ?3 = ?4 Ha: all four ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 Ha: all four ?i's are equalH0: ?1 = ?2 = ?3 = ?4 Ha: at least two ?i's are unequal Summarize the results in an ANOVA table. (Round your answers two decimal places.) Source df Sum of Squares Mean Squares f Treatments Error Total Give the test statistic. (Round your answer to two decimal places.)
The following data was reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite). 1: 20.6 28.1 27.8 27.0 27.9 25.2 25.3 27.1 20.5 31.2 2: 26.5 24.0 26.2 20.2 23.6 34.0 17.1 26.8 23.7 24.8 3: 30.2 34.0 27.5 29.4 28.3 26.2 29.9 29.5 30.0 35.8 4: 36.6 44.2 34.1 30.3 32.0 33.1 34.1 32.9 36.3 25.2 Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 Ha: at least two ?i's are equalH0: ?1 = ?2 = ?3 = ?4 Ha: all four ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4 Ha: all four ?i's are equalH0: ?1 = ?2 = ?3 = ?4 Ha: at least two ?i's are unequal Summarize the results in an ANOVA table. (Round your answers two decimal places.) Source df Sum of Squares Mean Squares f Treatments Error Total Give the test statistic. (Round your answer to two decimal places.)
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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The following data was reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite).
1: | 20.6 | 28.1 | 27.8 | 27.0 | 27.9 | 25.2 | 25.3 | 27.1 | 20.5 | 31.2 |
2: | 26.5 | 24.0 | 26.2 | 20.2 | 23.6 | 34.0 | 17.1 | 26.8 | 23.7 | 24.8 |
3: | 30.2 | 34.0 | 27.5 | 29.4 | 28.3 | 26.2 | 29.9 | 29.5 | 30.0 | 35.8 |
4: | 36.6 | 44.2 | 34.1 | 30.3 | 32.0 | 33.1 | 34.1 | 32.9 | 36.3 | 25.2 |
Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses.
H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4
Ha: at least two ?i's are equalH0: ?1 = ?2 = ?3 = ?4
Ha: all four ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4
Ha: all four ?i's are equalH0: ?1 = ?2 = ?3 = ?4
Ha: at least two ?i's are unequal
Ha: at least two ?i's are equalH0: ?1 = ?2 = ?3 = ?4
Ha: all four ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4
Ha: all four ?i's are equalH0: ?1 = ?2 = ?3 = ?4
Ha: at least two ?i's are unequal
Summarize the results in an ANOVA table. (Round your answers two decimal places.)
Source | df | Sum of Squares |
Mean Squares |
f |
---|---|---|---|---|
Treatments | ||||
Error | ||||
Total |
Give the test statistic. (Round your answer to two decimal places.)
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