Mathematics, 20.04.2021 23:10 sbailey0962
A chemist examines 25 geological samples for bromide concentration. The mean bromide concentration for the sample data is 0.502 cc/cubic meter with a standard deviation of 0.0313. Determine the 98% confidence interval for the population mean bromide concentration. Assume the population is approximately normal. Step 1 of 2 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
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A chemist examines 25 geological samples for bromide concentration. The mean bromide concentration f...
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