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In a second part of the analysis, you are a lab supervisor and one of your...

In a second part of the analysis, you are a lab supervisor and one of your analysts report a quintuplicate chromium analysis of the same steal sample. The results are:

8.40%, 8.35%, 7.90%, 8.50%, 8.49%

  1. Calculate average and standard deviation.
  2. Chauvenet's criterion, determine if the result with value 7.90% belongs to the population you generated with a 99.5% confidence level.
  3. Using the Student’s t-Distribution, report the lab result with a 5% significance level.
Math   Statistics-And-Probability   
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