6. Find the critical value for: a) a 90% confidence interval based on 19 df. b) a...

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6. Find the critical value for:

a) a 90% confidence interval based on 19 df.

b) a 90% confidence interval based on 4 df.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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