Mathematics, 17.08.2021 17:40 MalikaJones
Six measurements were made of the magnesium ion concentration (in parts per million, or ppm) in a city's municipal water supply, with the following results. It is reasonable to assume that the population is approximately normal. Construct a 90% confidence interval for the mean magnesium ion concentration. 143 154 120 163 111 201
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Six measurements were made of the magnesium ion concentration (in parts per million, or ppm) in a ci...
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