vlo[法学]案例分析.ppt

案例分析Harrigan大學學生背景之探討 指導教授：楊錦洲教授 學生：９４２４１０７李佳璟 　　　９４２４１０８連豈浩 　　　９４２４１１０黃郁智 　　　９４２４１２３陳大翔　　 大綱 研究問題 研究背景 研究動機 案例敘述 題目探討 總結 研究問題 Harrigan大學對高中生來說是否比主要的競爭大學更具有選填志願的吸引力，並且能比主要的競爭大學更能吸引到名列前矛的學生。 研究背景 在這個年代大學林立，學生所能夠選擇的志願也相對的多，為了使學校能夠持續的發展，以及能夠吸收優良的學生使學校能夠保持競爭力。 研究動機 為了達到學校的持續發展和保持學校的競爭力這兩個主要的目的，所以對我們來說高中生是否對我們學校的興趣比我們的主要敵對大學還大。 案例敘述 案例敘述 Harrigan university is a liberal arts university in the Midwest that attempts to attract the highest quality students, especially from its region of the country. It has gathered data on 178 applicants who were accepted by Harrigan (a random sample from all acceptable applicants over the past several years). The data are in the file HARRIGAN.XLS. The variables are: 設定參數 Accepted: whether the applicant accepts Harrigan’s offer to enroll MainRival: whether the applicant enrolls at Harrigan’s main rival university HSClubs: number of high school clubs applicant served as an officer HSSports: number of varsity letters applicant earned HSGPA: applicant’s high school GPA HSSize: number of students in applicant’s graduating class SAT: applicant’s combined SAT score CombinedScore: a combined score for the applicant used by Harrigan to rank applicant 案例敘述 The derivation of the combined score is a closely kept secret by Harrigan, but it is basically a weighted average of the various components of high school performance and SAT. Harrigan is concerned that it is not getting enough of the best students, and worse yet, it is concerned that many of these best students are going to Harrigan’s main rival. Solve the following problems and then, based on your analysis, comment on whether Harrigan appears to have a legitimate concern. 題目探討 第一題 Find a 95% confidence interval for the proportion of all acceptable applicants who accept Harrigan’s invitation to enroll. Do the same for all acceptable applicants with a combined score less than 330; with a combined score greater than 375.(Note that 330 and 375 are approximately the first and thir