Data for the IFSAC Firefighter I examination test scores for two separate groups are found below....

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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?

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4.0 Ratings (432 Votes)

1Verify that assumptions are met briefly list and explain We are given that the populations are normal We assume that the population variances are equal 2Construct the hypotheses null and alternative Null hypothesis H0 Firefighters attending the inhouse academy have same See Answer

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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