Students Win Awards in National Statistics Competition

Published:
October 19, 2015

Nana Karayama ’18

USPROC
Two groups of Grinnell College students won awards at this year’s Undergraduate Statistics Project Competition (USPROC) sponsored by the American Statistical Association and the Consortium for the Advancement of Undergraduate Statistics Education. USPROC is an annual national competition among undergraduate students in the United States.

Alex Schmiechen ’17 and Zina Ibrahim ’17 won first place in the subcategory “First Course in Statistics.” Their project, titled Upvote or Downvote: What Makes Yik Yak Posts Popular?, was completed as part of the course Applied Statistics (MAT 209).

Their study examined Yik Yak, the anonymous social medial platform that is widely used on college campuses, in which users can indicate their liking for a post by “upvoting” or “downvoting” it. Schmiechen and Ibrahim’s study aimed to “determine potential indicators of popularity” and counted the upvotes of posts based on categories such as amount of humor, academic level, love life relevance, and whether or not it was a question.

Clark Fancher ’15, Josh Vernazza ’15, and Zack Davis ’16 won second place in the subcategory “Intermediate-level Applied Statistics Course.” Their project was titled An Examination of Age of First Drink and Effects of Church Attendance by Gender, and was carried out in the course Statistical Modeling (MAT 310).

They initially came up with this topic due to its relevance on college campuses. “Since underage alcohol consumption is so rampant throughout college campuses, we thought a study examining the age of first drink consumption would be interesting,” Davis said. They used survival analysis to model drinking patterns in Iowa youth. They also found that male church-goers have their first drink later than their female counterparts, which was different from conclusions reached in previous literature.

The results of both studies are significant in part because they pertain to current issues. Schmiechen and Ibrahim’s study highlights that further analysis could “lead to further insight into popular culture” and also be “a tool to examine a student body’s mental health”. Fancher, Vernazza, and Davis’ study addresses the benefits of decreasing underage drinking, and discusses the efficacy of after-school church programs delaying the age of first drink consumption.

Both projects were from courses taught by Professor Shonda Kuiper of the Department of Mathematics and Statistics. These achievements highlight the College’s advancement in statistics education. “Students of Grinnell College are doing innovative research projects related to current events in their lives, while also utilizing advanced multivariate statistical modeling techniques,” Kuiper said.

In addition to a monetary award, both groups were invited to give a plenary talk on October 2, 2015, for the First Annual Electronic Undergraduate Statistics Research Conference.

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