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Organisational ResearchMethodology
Only study guide for
IOP2601
Nomfusi Bekwa
Siyamthanda Mvana
University of South Africa
Pretoria
,1© 2020 University of South Africa
2All rights reserved
3Printed and published by:
4The University of South Africa
5Muckleneuk, Pretoria
670708584
7IOP2601/1/2021–2023
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, CONTENTS
15 Page
PREFACE v
LESSON 1: Introduction to research and statistics 2
LESSON 2: The language of statistics 8
LESSON 3: Basic mathematical calculations used in statistics 19
LESSON 4: Displaying data 24
LESSON 5: Measures of central tendency 42
LESSON 6: Measures of variability 51
LESSON 7: Correlation61
LESSON 8 Regression78
LESSON 9: Basic concepts of probability 94
LESSON 10: The normal distribution 98
LESSON 11: Sampling distributions and hypothesis testing 110
LESSON 12: Hypothesis tests applied to means: t-tests124
LESSON 13: Hypothesis tests applied to means: one-way of variance 148
LESSON 14: The chi-square test 169
LESSON 15: Power175
LESSON 16: Data analysis – a fictitious organisation 181
REFERENCES 204
APPENDIX: LIST OF FORMULAS 205
(iii) IOP2601/1/2021–2023
, 16
(iv)
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