Mathematics, 04.02.2021 01:00, rgilliam3002
The level of disslove oxygen in a stream or river is an important indicator of the water ability to support aqutic life. A seacher measure the Do level at 15 randomly chosen location along a stream. A dissolved oxygen level below 5mg/i put aqatic life at risk. Conduct a significance test use a=0.05 to determine the aqatic life is at risk
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