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  • University Of South Africa (Unisa)
  • IOP2601 - Organisational Research Methodology (IOP2601)
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Summary Lesson 3 - Basic mathematical calculations used in statistics IOP2601

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IOP2601 - Organisational Research Methodology (IOP2601)
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This is a comprehensive summary of Lesson 3 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 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.

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Lesson 3 -Basic mathematical
calculations used in statistics
Class Organisational Research Methodology IOP2601


Reviewed

This is a comprehensive summary of Lesson 3 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]


Order of Calculation
BoDMAS

1 Bo Brackets

2 D Division

3 M Multiplication

4 A Addition

5 S Subtraction

eg.
5 + 6 × (3 + 2) × 7 - 8 ÷ 2

= 211




Lesson 3 -Basic mathematical calculations used in statistics 1

, Multiply and Divide with Negatives
Minus × Minus = Plus Minus ÷ Minus = Plus

Plus × Plus = Plus Plus ÷ Plus = Plus

Minus × Plus = Minus Minus ÷ Plus = Minus

Plus × Minus = Minus Plus ÷ Minus = Minus



Fractions
Add and Subtract Fractions




Multiply Fractions




Lesson 3 -Basic mathematical calculations used in statistics 2
Connected book
image
Colin Tredoux, Kevin Durrheim Numbers, Hypothesis & Conclusions
Publisher: 2019 ISBN: 9781485125440 Edition: Unknown

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  • statistics
  • iop2601
  • basic mathematical calculations used in statistics
  • basic mathematical calculations
  • organisational research methodology

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