Applied statistics: Principles and examples

Contents v......Page v
Preface vii......Page vii
PART I PRINCIPLES 1......Page 1
1.1 Introduction 3......Page 3
1.2 Data quality 4......Page 4
1.3 Data structure and quantity 5......Page 5
1.4 Phases of analysis 6......Page 6
1.6 Computational and numerical analytical aspects 7......Page 7
1.7 Response and explanatory variables 8......Page 8
1.8 Types of investigation 10......Page 10
1.9 Purposes of investigation 12......Page 12
2.1 Types of observation 14......Page 14
2.2 Descriptive and probabilistic methods 15......Page 15
2.3 Some aspects of probability models 17......Page 17
3.2 Incorporation of related data and external information 20......Page 20
3.4 Achievement of economical and consistent description 21......Page 21
3.5 Attitudes to assumptions 23......Page 23
3.6 Depth and complexity of analysis appropriate 24......Page 24
3.7 Analysis in the light of the data 25......Page 25
4.2 Formulation of models: generalities 28......Page 28
4.3 Formulation of models: systematic component 29......Page 29
4.4 Formulation of models: random component 33......Page 33
4.5 Calculation of summarizing quantities 35......Page 35
4.6 Graphical analysis 36......Page 36
4.7 Significance tests 37......Page 37
4.8 Interval estimation 39......Page 39
4.9 Decision procedures 41......Page 41
4.11 Parameters and parameterization 42......Page 42
4.12 Transformations 46......Page 46
4.13 Interaction 47......Page 47
PART II EXAMPLES 51......Page 51
A Admissions to intensive care unit 53......Page 53
B Intervals between adjacent births 58......Page 58
C Statistical aspects of literary style 63......Page 63
D Temperature distribution in a chemical reactor 68......Page 68
E A 'before and after' study of blood pressure 72......Page 72
F Comparison of industrial processes in the presence of trend 77......Page 77
G Cost of construction of nuclear power plants 81......Page 81
H Effect of process and purity index on fault occurrence 91......Page 91
I Growth of bones from chick embryos 95......Page 95
J Factorial experiment on cycles to failure of worsted yarn 98......Page 98
K Factorial experiment on diets for chickens 103......Page 103
L Binary preference data for detergent use 107......Page 107
M Fertilizer experiment on growth of cauliflowers 112......Page 112
N Subjective preference data on soap pads 116......Page 116
O Atomic weight of iodine 121......Page 121
P Multifactor experiment on a nutritive medium 126......Page 126
Q Strength of cotton yarn 131......Page 131
R Biochemical experiment on the blood of mice 135......Page 135
S Voltage regulator performance 139......Page 139
T Intervals between the failure of air-conditioning equipment in aircraft 143......Page 143
U Survival times of leukemia patients 148......Page 148
V A retrospective study with binary data 151......Page 151
W Housing and associated factors 155......Page 155
X Educational plans of Wisconsin schoolboys 162......Page 162
Summary of examples 165......Page 165
Further sets of data 168......Page 168
References 181......Page 181
Author index 185......Page 185
Subject index 187......Page 187