Suppose a hypertension trial is mounted and 18 participants are randomly assigned to one
Do the following problems using SPSS and provide a copy of the ANOVA table for each as your answer:
PLUS the following problems:
1. A manufacturer wants to know which new coffee sells the best and distributes 3 types (Blue-Label, Green-Label and Red Label) to 6 of his stores. After letting customers taste the three types, the number of pounds purchased of each type of coffee on one day are recorded for the six stores. Perform an ANOVA using SPSS to determine whether there is a significant difference in sales.
Blue-Label Green-Label Red-Label 13 1 5 4 1 2 10 2 2 13 2 2 11 2 6 3 4 4
2. Three topical antibiotics are tested to see how quickly they eliminate a rash in 4 people who have a history of repeated rashes of this type.
The number of days to eliminate the rash in the 4 people is given in the table below:
|
Topical antibiotic 1 |
Topical antibiotic 2 |
Topical antibiotic 3 |
|
3 |
5 |
8 |
|
9 |
1 |
2 |
|
5 |
2 |
6 |
|
11 |
5 |
4 |
Conduct a one-way ANOVA to determine whether there is a significance difference in the number of days to eliminate the rash.