Minitab assignment 5

Minitab assignment 5 - MINITAB Assignment 5 1. Session...

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1. Session Window ————— 11/15/2009 10:41:34 AM ———————————————————— Welcome to Minitab, press F1 for help. ————— 4/20/2010 3:31:13 PM ———————————————————— Welcome to Minitab, press F1 for help. Retrieving project from file: 'C:\USERS\EVAN\APPDATA\LOCAL\MICROSOFT\WINDOWS\TEMPORARY INTERNET FILES\CONTENT.IE5\MPKVPRN3\MINITAB_5_DATA[1].MPJ' a. Make a probability plot and a boxplot and see if there are any major deviations from Normality. Is it reasonable to use the t procedures? Why or why not? MTB > pplot c1. Probability Plot of Heat Conductivity MTB > boxplot c1; SUBC> transpose. Boxplot of Heat Conductivity The Probability Plot and Boxplot of this data show that there are no major deviations from normality of the data, there are no outliers. Therefore, we can reasonably use the t-procedures. b. Give a 99% confidence interval for the mean conductivity. MTB > onet c1; SUBC> conf 99. One-Sample T: Heat Conductivity Variable N Mean StDev SE Mean 99% CI Heat Conductivity 11 1.1155 0.0403 0.0122 (1.0769, 1.1540) Based on the confidence test, we estimate that the mean heat conductivity of the specific glass is between 1.0769 and 1.1540 units (99% CI).
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Minitab assignment 5 - MINITAB Assignment 5 1. Session...

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