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Question: as part of water quality survey you test the water...

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As part of a water quality survey, you test the water hardness in several randomly selected streams. The results are shown below. Construct a confidence interval for the population variance and the population standard deviation o.use a go% level ofconfidence. Assume that the population has a normal distribution. n 17 s 14 grains per gallon What is the oonfidenoe interval for the population variance a2? Round to one decimal place as needed
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