classwork - 5a-5b - ClassWork #3 (Sections 5A & 5B) (10...

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Unformatted text preview: ClassWork #3 (Sections 5A & 5B) (10 pts) Name________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) For the study described below, identify the sample statistic. A manufact urer of light bulbs wants to determine the average lifetime of its 75- watt light bulbs. Among 120 randomly selected 75- watt light bulbs, the average lifetime was 1007 hours. 1) _______ A) The 120 randomly selected 75- watt light bulbs B) 120, the number of light bulbs in the sample C) The average lifetime of the 120 randomly selected 75- watt light bulbs D) The average lifetime of all 75- watt light bulbs manufactured by the company 2) For the study described below, identify the populatio n parameter . A researcher is interested in the level of stress among emergenc y- room nurses in the U.S. 275 emergenc y- room nurses were interview ed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers...
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This note was uploaded on 04/14/2008 for the course MATH 1013 taught by Professor Booker during the Spring '08 term at Texas Woman's University.

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classwork - 5a-5b - ClassWork #3 (Sections 5A & 5B) (10...

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