3. Suppose that the personnel director in Problem 1 wants to know whether the key- 3. boarding...

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3. Suppose that the personnel director in Problem 1 wants to know whether the key- 3.

boarding speed of secretaries at her company is different from the national mean of 50.

(a) State H0.

(b) Which form of H1 is appropriate in this instance—directional or nondirectional?

(Explain.)

(c) State H1.

(d) Specify the critical values, z.05 and z.01.

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Fundamentals Of Statistical Reasoning In Education

ISBN: 9781118425213

4th Edition

Authors: Theodore Coladarci, Casey D. Cobb

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Question Posted: Nov 06, 2024 09:00 AM

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Fundamentals Of Statistical Reasoning In Education

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