Measures of Spread
Normal Curve Calculations
by Dr. Jennifer Ripley on October 4, 2024
Dr. Jen Ripley teaches how to do calculations about the percentage and z scores using the bell curve as the...
Categories: Distributions Normal Curve Z Scores
Variability/Variance Mini Lecture
by Dr. Jennifer Ripley on October 4, 2024
This is a mini-lecture on some of the more easily misunderstood aspects of the concept of “variance” or spread-out of...
Categories: Basic Stats Principles and Concepts Measures of Spread Standard Deviation Variance
Finding Outliers with Z-Scores in SPSS
by Dr. Jonathan Hoover on July 21, 2024
In this video, Dr. Hoover demonstrates how to save standardized values for a variable for each case, and how to...
Categories: Measures of Spread SPSS Univariate Outliers
Normal Curve with T and Z Scores
by Dr. Jonathan Hoover on July 21, 2024
This is a Microsoft Word graphic showing the percentages of the normal curve at given z or T scores.
Categories: Basic Stats Principles and Concepts Data Visualization (Graphs and Charts) Measures of Spread Module 4 - GPSY 510
Calculating Standard Deviation (Biased and Unbiased) and Calculating Inclusive and Exclusive Range
by Dr. Jonathan Hoover on July 21, 2024
In this video, Dr. Hoover demonstrates how to calculate biased and unbiased standard deviation, as well as inclusive and exclusive...
Categories: Excel Module 2 - GPSY 510 Standard Deviation
Calculating Standard Deviation with the Computer
by Dr. Jonathan Hoover on July 21, 2024
In this video, Dr. Hoover demonstrates the use of SPSS and excel to calculate standard deviation.
Categories: Excel Measures of Spread Module 2 - GPSY 510 SPSS
Calculating Standard Deviation by Hand (Seriously, you can do this!)
by Dr. Jonathan Hoover on July 21, 2024
In this video, Dr. Hoover shares the basic steps you need to follow to calculate standard deviation without the use...
Categories: Measures of Spread Module 2 - GPSY 510