MATH 324 Midterm: MATH324 Fall 2011 Exam
31 Jan 2019
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Instructions: the questions have to be answered in the exam booklets provided, the total possible number of points for the exam is 160, 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, three pages of questions, numbered 1 to 10, and four pages of statistical tables. December 22nd, 2011: (10 pts) a study of male navy enlisted personnel was conducted. It was found that 90 of 231 left- handers had been hospitalized for injuries whereas 623 of 2148 right-handers had been hospitalized. The data are shown in the table below: The data for ten randomly sampled streets with bike lanes can be summarized as follows: i=1 yi = 80; i=1 xiyi = 1282. 74; i = 675. 16; i=1 xi = 154. 20; p10.
