Lesson 5 - Measures of central
tendency
Class Organisational Research Methodology IOP2601
Reviewed
This is a comprehensive summary of Lesson 5 in IOP2601. It
includes the demarcated information included in the prescribed
textbook as well as the study guide. If you choose not to buy the
Comments textbook, this summary fills in all the parts you would otherwise miss.
These notes are very useful in studying for assignments and using
as core study material.
Tredoux, C. & Durrheim, K. (2019). Numbers, hypotheses and
Sources conclusions: A course in statistics for the social sciences (3rd ed.).
Juta. [ISBN: 978 1 48512 544 0]
The Mean
the arithmetic average of a group of numbers
Trimmed Mean
A useful way of reducing the influence of extreme scores (outliers) is to exclude
a small portion of the highest and lowest scores before calculating the mean.
Lesson 5 - Measures of central tendency 1
tendency
Class Organisational Research Methodology IOP2601
Reviewed
This is a comprehensive summary of Lesson 5 in IOP2601. It
includes the demarcated information included in the prescribed
textbook as well as the study guide. If you choose not to buy the
Comments textbook, this summary fills in all the parts you would otherwise miss.
These notes are very useful in studying for assignments and using
as core study material.
Tredoux, C. & Durrheim, K. (2019). Numbers, hypotheses and
Sources conclusions: A course in statistics for the social sciences (3rd ed.).
Juta. [ISBN: 978 1 48512 544 0]
The Mean
the arithmetic average of a group of numbers
Trimmed Mean
A useful way of reducing the influence of extreme scores (outliers) is to exclude
a small portion of the highest and lowest scores before calculating the mean.
Lesson 5 - Measures of central tendency 1
