MATH 204 Midterm: MATH204 Fall 2012 Exam
31 Jan 2019
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Instructions: the seven questions have to be answered in the exam booklets provided, the total possible number of points for the exam is 180, this is a closed book exam. One 8 1/2 11 double sided crib sheet is allowed: calculators (both programmable and non-programmable) are permitted, use of a regular dictionary is permitted, use of a translation dictionary is permitted. This exam comprises the cover page, eight pages of questions and output, with questions numbered 1 to. April 23rd, 2012: (10 pts) a particular measure of ceramic strength was obtained for two di erent batches of ceramic material, with 10 random samples collected from each batch. The sample statistics for each batch are contained in the table below. Test the hypothesis that the population standard deviation for the. Rst batch is larger than the population standard deviation for the second batch with type i error rate = 0. 05.
