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Amount of dissolved oxygen in the river

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Reference no: EM131042444

The level of dissolved oxygen in a river is an important indicator of the water's ability to support aquatic life. You want to know about the mean level of oxygen in a particular stream and collect water samples at 15 randomly chosen locations along the stream to measure the dissolved oxygen. Here are your results in milligrams per liter:

4.53
5.04
3.29
5.23
4.13
5.50
4.83
4.40
5.42
6.38
4.01
4.66
2.87
5.73
5.55

Construct a 99% confidence interval for the mean amount of dissolved oxygen in the river.

(4.2016, 5.3984)
(4.0491, 5.4935)
(4.1081, 5.4919)
(4.3765, 5.1993)
(4.5418, 5.0582)

Reference no: EM131042444

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