Mathematics, 27.10.2021 01:50 Destiny8372
A student examines 8 seawater samples for nitrate concentration. The mean nitrate concentration for the sample data is 0.424 cc/cubic meter with a standard deviation of 0.0827. Determine the 90% confidence interval for the population mean nitrate concentration. Assume the population is approximately normal.
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There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16
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A student examines 8 seawater samples for nitrate concentration. The mean nitrate concentration for...
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