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Chemistry
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In the lab I get the following 4 numbers for the concentration of chloride in a sample:
0.1015, 0.0991, 0.1016, and 0.1017. What is the 95% confidence interval, and the relative
standard deviation for this data set.

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Related questions

The percent iron in an ore sample was determined by two different analysts. The following data was obtained;

Analyst 1: mean iron concentration (ppm) = 11.35; standard deviation = 0.15; n = 9

Analyst 2: mean iron concentration (ppm) = 10.45; standard deviation = 0.30; n = 8

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