The measured concentration of phosphorus (P) for n = 20 identical specimens of wastewater with known concentration of 2 mg/L are: 1.8, 2.2, 2.1, 2.3, 2.1, 2.2, 2.1, 2.1, 1.8, 1.9, 2.4, 2.0, 1.9, 1.9, 2.2, 2.3, 2.2, 2.3, 2.1, 2.2 For the phophorus data test the following hypotheses using a two sided test at a = 0.05: Ho: n = 2 HA:n # 2

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The measured concentration of phosphorus (P) for n = 20 identical specimens of wastewater with
known concentration of 2 mg/L are: 1.8, 2.2, 2.1, 2.3, 2.1, 2.2, 2.1, 2.1, 1.8, 1.9, 2.4, 2.0, 1.9, 1.9, 2.2,
2.3, 2.2, 2.3, 2.1, 2.2
For the phophorus data test the following hypotheses using a two sided test at a = 0.05:
Ho: n = 2
HA:n # 2
Transcribed Image Text:The measured concentration of phosphorus (P) for n = 20 identical specimens of wastewater with known concentration of 2 mg/L are: 1.8, 2.2, 2.1, 2.3, 2.1, 2.2, 2.1, 2.1, 1.8, 1.9, 2.4, 2.0, 1.9, 1.9, 2.2, 2.3, 2.2, 2.3, 2.1, 2.2 For the phophorus data test the following hypotheses using a two sided test at a = 0.05: Ho: n = 2 HA:n # 2
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