Lab2 - The Hong Kong University of Science& Technology ISMT 111 Business Statistics Fall 2006 Computer Lab 2 In this lab we will use Minitab to

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Unformatted text preview: The Hong Kong University of Science & Technology ISMT 111: Business Statistics , Fall 2006 Computer Lab 2 In this lab we will use Minitab to study the distribution of the sample mean. Exercise 1 In this exercise, we sample from the normal distribution with mean μ = 10 and standard deviation σ = 4. The distribution of the sample mean for n = 2, 5 and 30 is analyzed as follows. 1. Generate 500 sets of sample of size n = 2: Calc > Random Data > Normal . Fill in ’500’ in the first dialog box to generate 500 rows of data. Store the columns in ’c1-c2’ and enter ’10’ and ’4’ in the mean and the standard deviation dialog boxes respectively. 2. Calculate the sample mean for each sample: Calc > Row Statistics . Select ’Mean’ for ’Sta- tistic’. Enter ’c1-c2’ for ’Input variables’ and store results in ’c31’. 3. Compute descriptive statistics for the 500 sample means: Stat > Basic Statistics > Display Descriptive Statistics . Fill in ’c31’ in the dialog box.....
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This note was uploaded on 11/23/2010 for the course BBA ISOM111 taught by Professor Hu during the Fall '08 term at HKUST.

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Lab2 - The Hong Kong University of Science& Technology ISMT 111 Business Statistics Fall 2006 Computer Lab 2 In this lab we will use Minitab to

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