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Carroll College

Statistics and Probability

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Confidence Intervals In A High School Statistics Class, Alexander Chopyak Apr 2016

Confidence Intervals In A High School Statistics Class, Alexander Chopyak

Mathematics, Engineering and Computer Science Undergraduate Theses

In order to be a functioning member of society, it is important that a citizen understands basic statistics. One key topic in particular is confidence intervals. There are confidence intervals in everyday life, no matter if you are a person in college or just a person in society. Many claims about population rely on a sample and the statistics of confidence intervals. For example: We believe, with 95% confidence, that 40% ± 3% of Americans will approve a new law by Congress, meaning that we are 95% confident that any sample formed in this way will have a proportion or mean ...

Statistical Retention Analysis Of Enrollment Data At Carroll College, Dustin Dickerson Apr 2010

Statistical Retention Analysis Of Enrollment Data At Carroll College, Dustin Dickerson

Mathematics, Engineering and Computer Science Undergraduate Theses

Organizations around the world hire operations scientists and data analysts to ensure their resources are being used to their maximum potential. Colleges and universities are no exceptions. Admissions offices, in particular, store incredible amounts of data about students who attend their institution. This data includes, but is not limited to, high school GPA, SAT and ACT scores, sex, ethnicity, age, household income, and intended major. What schools hope to learn from this data is two-fold: 1. What kind of student is the school most likely/unlikely to retain until graduation? 2. How effective are new retention programs? Knowing what student ...