BIOSTATISTICS · Biostatistics is the study of the application of statistical methodology to...
Transcript of BIOSTATISTICS · Biostatistics is the study of the application of statistical methodology to...
BIOSTATISTICS
Contents iii
BIOSTATISTICS
K. BALAJIDepartment of Statistics and Mathematics
Intell Engineering CollegeANANTAPURAndhra Pradesh
I.K. International Publishing House Pvt. Ltd.
A.V.S. RAGHAVAIAHDepartment of Statistics
Govt. Degree College for MenANANTAPURAndhra Pradesh
iv Contents
Published byI.K. International Publishing House Pvt. Ltd.
New Delhi–110 016 (India)
© 2012 I.K. International Publishing House Pvt. Ltd.
without the prior written permission from the publisher.
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Dedicated to My Beloved ParentsLate Sri K. Lakshmipathy
&Smt. K. Anasuyamma
—K. Balaji
Dedicated to My Beloved ParentsLate Sri A. Pullaiah
&Smt. A. Parvathamma
—A.V.S. Raghavaiah
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BIOSTATISTICS is based on our experience of teaching the students of Biostatistics, Biotechnology, Biology, Pharmacy, Medicine, Nursing, B.Com and Life Sciences courses. Biostatistics is the study of the application of statistical methodology to biological variations, correlation, regression, testing of hypothesis, testing of significance, non-parametric tests in biological measurements. It is also known as ‘Biometry’. This book has been written in clear, lucid manner to cover practical and applied aspects of Statistics. It will help the graduate and postgraduate students of Biological Sciences.
We are very thankful to the Management, Principal and my friends Dr. K.Chennakeshavalu, Professor, Dept. of Computer Science, K. Ramesh, Dept. of MCA, Intell Engineering College, Anantapur and K.Venkataswamy, Programmer, S.K. University, Anantapur.
Comments, criticism and suggestions from students as well as teachers will be highly ap-preciated.
K. BalajiA.V.S. Raghavaiah
K.N. Jayaveera
PREFACE
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Preface vii
1. ORIGIN AND DEVELOPMENT OF STATISTICS 1
2. STATISTICAL INVESTIGATION 5
3. FREQUENCY DISTRIBUTION 13
Exercise Problems 18
4. DIAGRAMMATIC PRESENTATION OF DATA 19
CONTENTS
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Pie Diagram 26
Exercise Problems 36
5. MEASURES OF CENTRAL TENDENCY 37
Exercise Problems 65
6. MEASURES OF VARIATION (OR) DISPERSION 67
Exercise Problems 89
7. CORRELATION 90
Exercise Problems 99
8. REGRESSION 101
Exercise Problems 105
9. THEORY OF PROBABILITY 107
Statements 111
Exercise Problems 115
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Independent Events 116
Exercise Problems 120
10. DISTRIBUTION 122
Exercise Problems 130
Exercise Problems 137
Exercise Problems 149
11. TEST OF HYPOTHESIS (OR) TEST OF SIGNIFICANCE 151
Exercise Problems 157
Exercise Problems 160
Exercise Problems 162
Exercise Problems 164
12. SMALL SAMPLE TESTS 165
tt
Exercise Problems 169 t Exercise Problems 174
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Paired t Exercise Problems 176 F F Exercise Problems 181 Chi-square Distribution (c2
Exercise Problems 184
Exercise Problems 189
13. ANALYSIS OF VARIANCE 194
Exercise Problems 204
14. DESIGN OF EXPERIMENT 206
Latin Square Design (LSD) 225LSD 225
LSD 226LSD
22
2
Exercise Problems 247
15. STATISTICAL QUALITY CONTROL (SQC) 249
Control Limits (or) Control Charts 250X -Chart (or) Mean Chart 251
Biostatistics
Publisher : IK International ISBN : 9789381141502Author : K Balaji, A V SRaghavaiah And K NJayaveera
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