Instructor: Andrew Obus

Email: Andrew.Obus [at] baruch.cuny.edu

Class sessions: Fridays, 4:30 – 5:45 (Liberia time)

Zoom Meeting Room: baruch.zoom.us/j/8820220889

### This semester’s syllabus can be found here.

I will post recordings of lectures on the following YouTube channel: https://www.youtube.com/@andrewobus747/videos.

Below, I will post the notes from each of the lectures:

September 8, 2023: Introduction to statistics

September 22, 2023: Graphical presentation of data

September 29, 2023: Numerical data

October 13, 2023: Percentiles and cumulative relative frequency

October 20, 2023: Measures of central tendency

October 27, 2023: Measures of central tendency, continued

November 3, 2023: Measures of dispersion

November 10, 2023: Box and whisker plots, standard deviation of group data

November 17, 2023: Introduction to Euclidean geometry

December 1, 2023: Highlights of triangles

December 15, 2023: Similar triangles and angle sums of polygons

December 22, 2023: Quadrilaterals

January 5, 2024: Regular polygons

January 19, 2024: Introduction to circles

January 26, 2024: More on circles

February 2, 2024: Non-Euclidean geometry

February 16, 2024: Introduction to right-triangle trigonometry

February 23, 2024: Angle of elevation/depression problems and the unit circle