Measures of Dispersion
This lecture series discusses measures of dispersion (interquartile range, variance, and standard deviation). Watch these videos and complete the interactive exercises.
Practice
Visually assess standard deviation - Answers
1. These are the data sets from largest standard deviation (top) to smallest standard deviation (bottom):
2. These are the data sets from largest standard deviation (top) to smallest standard deviation (bottom):
3. These are the data sets from largest standard deviation (top) to smallest standard deviation (bottom):
4. These are the data sets from largest standard deviation (top) to smallest standard deviation (bottom):
