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IOP2601

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IOP 2601 (IOP2601)
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Uploaded on
March 27, 2022
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Written in
2021/2022
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Organisational Research

Methodology
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

8




9




10




11




12




13




14 MNB_style

, 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




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