Computing standard deviation for dissolved organic carbon

Reference no: EM1322838

Q1) Following data represent concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil.

14.00	29.80	27.10	16.51	15.42
8.81	20.46	20.46	14.90	33.67
30.91	14.86	15.42	15.35	9.72
19.80	14.86	8.09	15.42	18.30

a) Sample mean is?

(Simplify your answer.)

b) Sample standard deviation is?

c) 99% confidence interval for population mean µ is?

Reference no: EM1322838

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