ferent brands differ. The data from the sample is provided below. Regular 1.1 1.7 1.1 1.4 1.2 1.7 1.8 1.2 1.1 1.7 1.6 1.5 1.2 1.1 1.1 1.4 Menthol 1.1 0.8 1.0 0.9 0.8 0.8 0.7 0.7 0.9 0.6 1.3 1.2 0.6 0.7 1.1 0.5 Filtered 0.4 1.0 1.2 1.1 1.3 0.6 1.1 1.1 0.9 1.0 0.8 0.2 0.8 1.1
The Ministry of Health is interested in determining whether the average nicotine content of regular, menthol, and filtered cigarettes for 16 different brands differ. The data from the sample is provided below.
|
Regular |
1.1 |
1.7 |
1.1 |
1.4 |
1.2 |
1.7 |
1.8 |
1.2 |
1.1 |
1.7 |
1.6 |
1.5 |
1.2 |
1.1 |
1.1 |
1.4 |
|
Menthol |
1.1 |
0.8 |
1.0 |
0.9 |
0.8 |
0.8 |
0.7 |
0.7 |
0.9 |
0.6 |
1.3 |
1.2 |
0.6 |
0.7 |
1.1 |
0.5 |
|
Filtered |
0.4 |
1.0 |
1.2 |
1.1 |
1.3 |
0.6 |
1.1 |
1.1 |
0.9 |
1.0 |
0.8 |
0.2 |
0.8 |
1.1 |
0.9 |
1.1 |
1. Calculate manually by hand calculations the sum of squares, degrees of freedom, mean squares, F, factors of treatment, error, total.
2. If applicable, use the appropriate test to determine the average nicotine content which differs. In responding, construct and test any appropriate hypothesis.
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