## Adjunct Steve Harris to lead Mathematics Seminar on Jan. 25

The Grand Rapids Community College Mathematics Department is pleased to announce that it will host its first Mathematics Seminar of 2017 on Wednesday, January 25, 3:00-4:00 PM in 101 Cook. Our speaker, GRCC mathematics adjunct Steve Harris, will discuss the Central Limit Theorem. His title and abstract are below.

In 1920 the Hungarian-born mathematician George Pólya first used the name Central Limit Theorem to describe the result that has become so important in the study of probability and statistics. Usefulness is not fully appreciated without understanding, and Steve’s presentation is designed to give participants a visual comprehension of the meaning of the Central Limit Theorem. Some background in statistics would be helpful, but it is not required. As always, everyone is welcome to our mathematics seminars.

Pop and cookies will be served at 2:45 PM.

**Why People Trust Statistics**

*Many students in an introductory Statistics course sail along fine until “Distribution of a Sample Mean” sinks their boat. After failing to find an illustration that explained the concept in a way I could use with both math-oriented and non-math-oriented students, I built my own. The result is an Excel spreadsheet that visually demonstrates the power of the Central Limit Theorem. *

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**Tags:** math, Mathematics, Mathematics Seminar

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