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SCM_200_HW4_Template

SCM_200_HW4_Template - 08:56:01 Page 2 SCM200 – Homework...

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SCM 200 Introduction to Statistics for Business Fall 2007 Homework Assignment #4 Normal Distribution and Sampling Distributions Name: _Alex Egan__________________________________________

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SCM200 – Homework 4 Problem 1 μ Q 126 σ Q 11.067 Q PDF Q CDF P(Q<100) .0094 Normal Approx Justificati on The normal distribution is based on the mean and standard deviation, therefore it allows us to easily determine information such as the probability that less than 100 employees quit or don’t make it. Assumptio n comments We assumed that the attrition rate for the training program will be nearly the same as in the past which may or may not be accurate.

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Unformatted text preview: 08:56:01 Page 2 SCM200 – Homework 4 Problem 2 P( A ≥4.5) .158655 P(3 ≤ A ≤ 4) .47725 μ S 4.117 σ S .4863 Histogram of S P(3 ≤ S ≤ 4) .41 Comments The theoretical and experimental results are very similar. 08:56:01 Page 3 SCM200 – Homework 4 Problem 3 Order mean Order SD Daily mean Daily SD Weekly mean Weekly SD Histogram 100 orders Histogram of 10 order average Histogram of 50 order average Shape comments CLT comments 08:56:01 Page 4 SCM200 – Homework 4 Problem 4 Statistics Sample 1 Sample 2 Mean Standard Deviation Histogram 1 Histogram 2 Histogram 3 CLT comments 08:56:01 Page 5...
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SCM_200_HW4_Template - 08:56:01 Page 2 SCM200 – Homework...

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