Data for the IFSAC Firefighter I examination test scores for twoseparate groups are found below. A random sample of firefighters isselected for each group. Group 1 attended the State Fire Academyfor their training and Group 2 attended an in-house academy. Thegroups are only tested once after they have received the training.All participants have no prior experience in the fire service.Assume normality of the populations.
Group 1 | Group 2 |
99 | 55 |
89 | 72 |
80 | 83 |
91 | 55 |
79 | 69 |
61 | 80 |
54 | 65 |
54 | 69 |
52 | 84 |
66 | 87 |
50 | 91 |
72 | 61 |
64 | 96 |
89 | 77 |
53 | 73 |
83 | 66 |
100 | 99 |
1.Verify that assumptions are met(briefly list and explain)
2.Construct the hypotheses (null andalternative)
3.Formulate decision rule (calculatethe p-value or critical value)
4.Calculate the teststatistic
5.Discuss your conclusion
Is there sufficient evidence that firefighters attending thein-house academy have higher test scores on average thanfirefighters attending the State Fire Academy at the ?=.05significance level?
Is there sufficient evidence that the mean scores on the IFSACFirefighter I examination test differ between the two groups at the?=.05 significance level?
