A chemist analyzes a sample of iron ore furnished by the National Institute of Standards and Technology, NIST. He obtains the following results: = 0.05, n = 10. The NIST's value for this sample is 10.60% Fe. Is the chemist's result (mean) significantly different at the 95% confidence level? 10.52%, s

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A chemist analyzes a sample of iron ore furnished by the National Institute of
Standards and Technology, NIST. He obtains the following results: =
10.52%, s =
0.05, n = 10. The NIST's value for this sample is 10.60% Fe. Is the
chemist's result (mean) significantly different at the 95% confidence level?
Transcribed Image Text:A chemist analyzes a sample of iron ore furnished by the National Institute of Standards and Technology, NIST. He obtains the following results: = 10.52%, s = 0.05, n = 10. The NIST's value for this sample is 10.60% Fe. Is the chemist's result (mean) significantly different at the 95% confidence level?
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