Lecture 02 - January 16th.docx

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Department
Management and Organizational Studies
Course
Management and Organizational Studies 2242A/B
Professor
Drewes
Semester
Winter

Description
Lecture Two: Chapter Three continued – Lack of Katey laptop Why study dispersion? - So we can see how spread out the data is. Range - Difference between the largest and smallest number Mean absolute deviation - Arithmetic mean of the absolute values of the deviations from the arithmetic mean o All values are used in the calculation o It is easy to understand because it is the average of the deviations from the mean o Major drawback is the use of absolute values Population variance - Population variance is the arithmetic mean of the squared deviations from the population mean
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