Chapter 13: Q.27 (page 765)
What is the ?
Short Answer
The value ofis.
Chapter 13: Q.27 (page 765)
What is the ?
The value ofis.
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Get started for freeThree different traffic routes are tested for mean driving time. The entries in the Table 13.18 are the driving times in minutes on the three different routes.
Route 1 | Route 2 | Route 3 |
30 | 27 | 16 |
32 | 29 | 41 |
27 | 28 | 22 |
35 | 36 | 31 |
Stateand the statistic.
What is the for the numerator?
Suppose a group is interested in determining whether teenagers obtain their driver's licenses at approximately the same average age across the country. Suppose that the following data are randomly collected from five teenagers in each region of the country. The numbers represent the age at which teenagers obtained their driver's licenses.
a) Decision: _____
b) Conclusion: _____
What are the Sum of Squares and Mean Squares Factors?
MRSA, or Staphylococcus aureus, can cause a serious bacterial infections in hospital patients. Table 13.6 shows various colony counts from different patients who may or may not have MRSA. The data from the table is plotted in Figure 13.5.
Conc | Conc | Conc | Conc | Conc |
9 | 16 | 22 | 30 | 27 |
66 | 93 | 147 | 199 | 168 |
98 | 82 | 120 | 148 | 132 |
Plot of the data for the different concentrations:
Test whether the mean number of colonies are the same or are different. Construct the ANOVA table (by hand or by using a calculator), find the p-value, and state your conclusion. Use asignificance level.
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