MATH 1202 Lecture Notes - Lecture 11: Confidence Interval, Viscosity
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Assignment 7 (due in class on friday, nov. 13 2009) Note: the following problems might be solved in quite a few different, but correct ways. The resulting sample standard deviation was s=2. 81 mils. Assuming normality, derive a 95% ci for 2 and for : [10+5+5 points] the article measuring and understanding the aging of kraft. Insulating paper in power transformers (ieee electrical insul. Mag. , 1996: 28-34) contained the following observations on degree of polymerization for paper specimens for which viscosity times concentration fell in a certain middle range: