ch_6b - Chapter 7 1. MATH 200 Form B Evaluate Z/2 for =...

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Chapter 7 MATH – 200 Form B 1. Evaluate Z α /2 for α = 0.08 2. Evaluate t α /2 for α = 0.05 and n = 21 3. Obesity measurements of 10 college students with mean of 1.15 and standard deviation of .251. Obtain a 98% confidence interval for population mean of the obesity measurements of college students. ______________________ 4. A statistics instructor investigating the results of the final exam of 70 students found that their mean score level was 86 with a standard deviation of 11. Obtain an approximate 96% confidence interval for the true mean score level. ______________________
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This note was uploaded on 03/18/2010 for the course MATH 200 taught by Professor Kazaryan during the Spring '10 term at Skyline College.

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ch_6b - Chapter 7 1. MATH 200 Form B Evaluate Z/2 for =...

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