Question

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. 15.72 29.80 27.10 16.51 5.30 8.81 10.30 20.46 14.90 33.67 30.91 14.86 16.87 15.35 9.72 19.80 14.86 8.09 14.00 18.30 ​(a) Find the sample mean. The sample mean is nothing. ​(Round to two decimal places as​ needed.) (b) Find the Sample Standard Deviation. (c) Construct a 95% confidence interval for the population mean is

Answer 1

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