Quiz 2 Partial Credit

# Quiz 2 Partial Credit - 1 A Entered the following into...

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1. A. Entered the following into megastat: B. Output: norma l distrib ution P(lowe r) P(uppe r) z X mean std.de v .0026 .9974 - 2.8 0 29.75 30.1 0.125 C. Chose P Upper because the problem asks the probability that the steel is greater than 29.75 inches. 2. A. Entered the following into megastat: B. Output:

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normal distrib ution P(lowe r) P(uppe r) z X mean std.dev .9329 .0671 1.5 0 0.52 0.48 0.02670473 5 C. Chose P upper because the problem is asking for the greater than or equal to value. 3. A. Entered the following into megastat: B. Output: Confidence interval - mean 99% confidence level 157 mean 27 std. dev. 49 n 2.576 z 9.935 half-width 166.93 5 upper confidence limit 147.06 5 lower confidence limit C. Chose confidence interval listed in mega stat output. 4. A. Entered the following into megastat:
Output: Sample size - mean 1 E, error tolerance 32 standard deviation 95% confidence level 1.960 z 3933.654 sample size 3934 rounded up C. Chose sample size rounded up as given by megastat. 5.

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## This note was uploaded on 03/26/2012 for the course STATISTIC GM533 taught by Professor Henry during the Fall '10 term at Keller Graduate School of Management.

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Quiz 2 Partial Credit - 1 A Entered the following into...

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