The data refer to five suppliers of the Levi-Strauss clothing manufacturing plan
ID: 3127474 • Letter: T
Question
The data refer to five suppliers of the Levi-Strauss clothing manufacturing plant in Albuquerque. The firm's quality control department collects weekly data on percent-age waste (run-up) relative to what can be achieved by computer layouts of patterns on cloth. It is possible to have negative values, which indicate that the plant employees beat the computer in controlling waste. Under question are differences among the five supplier plants.
At the 0.05 level, test if there is a difference in the waste products from the 5 plants.
Anova: Single Factor
SUMMARY
Groups Count Sum Average Variance
PT1 22 99.5 4.52 100.64
PT2 22 194.3 8.83 235.73
PT3 19 91.8 4.83 19.39
PT4 19 142.3 7.49 13.37
PT5 13 134.9 10.38 91.30
ANOVA
Source of Variation SS df MS F P-value
Between Groups 450.921 4 112.7302 1.1596 0.3340
Within Groups 8749.088 90 97.2121
Total 9200.009 94
Explanation / Answer
The p-value = 0.3340, which is greater than 0.05. We fail to reject the null hypothesis. There is insufficient evidence to support the claim that there is a difference in the waste products from the 5 plants.
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