The following are the compressive strengths (given to the nearest 10 psi) of 30 concrete samples. Use

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The following are the compressive strengths (given to the nearest 10 psi) of 30 concrete samples.

Use a computer program to find a 90% confidence interval for the standard deviation of these compressive strengths.

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John E Freunds Mathematical Statistics With Applications

ISBN: 9780134995373

8th Edition

Authors: Irwin Miller, Marylees Miller

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Question Posted: Nov 04, 2015 03:37 AM

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The following are the compressive strengths (given to the nearest 10 psi) of 30 concrete samples. Use

Question:

4890 4830 5490 4820 5230 4960 5040 5060 4500 5260 4600 4630 5330 5160 4950 4480 5310 4730 4710 4390 4820 4550 4970 4740 4840 4910 4880 5200 5150 4890

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Using MINITAB we enter the data into C1 and C2 ...View the full answer

John E Freunds Mathematical Statistics With Applications

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