The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of...
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The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right. 29.80 22.49 14.00 8.81 30.91 19.80 16.51 14.90 15.35 20.46 16.87 33.67 9.72 18.30 27.10 20.46 5.30 8.09 14.86 14.86 (a) Find the sample mean. The sample mean is (Round to two decimal places as needed.) (b) Find the sample standard deviation. The sample standard deviation is (Round to two decimal places as needed.) (c) Construct a 95% confidence interval for the population mean p. The 95% confidence interval for the population mean u is (Round to two decimal places as needed.) The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right. 29.80 22.49 14.00 8.81 30.91 19.80 16.51 14.90 15.35 20.46 16.87 33.67 9.72 18.30 27.10 20.46 5.30 8.09 14.86 14.86 (a) Find the sample mean. The sample mean is (Round to two decimal places as needed.) (b) Find the sample standard deviation. The sample standard deviation is (Round to two decimal places as needed.) (c) Construct a 95% confidence interval for the population mean p. The 95% confidence interval for the population mean u is (Round to two decimal places as needed.)
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a Sample mean x barxN3622629 1811 bStandard deviation Variance s 2 x i x bar ... View the full answer
Related Book For
Understanding Basic Statistics
ISBN: 978-1111827021
6th edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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