Question
STATISTICS Answer the given problem. Analyze what tool should be used. Shown below are weights (kg) of popular trees obtained from trees planted in a
STATISTICS
Answer the given problem. Analyze what tool should be used.
Shown below are weights (kg) of popular trees obtained from trees planted in a rich and moist region. The trees were given different treatments identified in the table below.
No treatment | Fertilizer | Irrigation | Fertilizer and irrigation |
1.21 | 0.94 | 0.07 | 0.85 |
0.57 | 0.87 | 0.66 | 1.78 |
0.56 | 0.46 | 0.10 | 1.47 |
0.13 | 0.58 | 0.82 | 2.25 |
1.30 | 1.03 | 0.94 | 1.64 |
Use a 0.05 level of significance to test the claim that the different treatments result in the same mean weight. Interpret your result.
Follow the steps in solving the problem, namely:
1. Hypothesis ex. H0: = 9.0 H1: 9.0 2. Level of significance ex. = 0.01 3. Test Statistic ex. z = x - 0 / / n 4. Critical Region ex. graph and /2 = +-0.025 5. Computation ex. compute using formula 6. Decision ex. accept H0 since the computed z-value falls in the region of acceptance. 7. Conclusion ex. there is no reason to believe the ...
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