Levi-Strauss Co manufactures clothing. The quality control department measures weekly values of different suppliers for the percentage difference of waste between the layout on the computer and the actual waste when the clothing is made (called run-up) The data is in the following table, and there are some negative values because sometimes the supplier is able to layout the pattern better than the computer ("waste run up," 2013)

Do the data show that there is a difference between some of the suppliers? test at the 1% level

1. Which of the following statement correctly defines the null hypothesis Ho
2. Which of the following statements correctly defines the alternative hypothesis
3. Enter the level of significance a used for this test
4. Calculate sample mean and sample standard deviation for plant 1 sample
5. Calculate sample mean and sample standard deviation for plant 2 sample
6. Calculate sample mean and sample standard deviation for plant 3 sample
7. Calculate sample mean and sample standard deviation for plant 4 sample
8. Calculate sample mean and sample standard deviation for plant 5 sample
9. Using technology, determine F ration test statistic and corresponding p-value
10. Select the statement that most correctly interprets the result of this test