
x ◾ Contents
ChaPter 6 ◾ Analyzing Software Measurement Data 225
6.1 STATISTICAL DISTRIBUTIONS AND
HYPOTHESISTESTING 226
6.1.1 Probability Distributions 226
6.1.2 Hypothesis Testing Approaches 231
6.2 CLASSICAL DATA ANALYSIS TECHNIQUES 232
6.2.1 Nature of the Data 233
6.2.1.1 Sampling, Population, and Data
Distribution 233
6.2.1.2 Distribution of Soware Measurements 236
6.2.1.3 Statistical Inference and Classical
Hypothesis Testing 239
6.2.2 Purpose of the Experiment 241
6.2.2.1 Conrming a eory 241
6.2.2.2 Exploring a Relationship 242
6.2.3 Decision Tree 243
6.3 EXAMPLES OF SIMPLE ANALYSIS TECHNIQUES 243
6.3.1 Box Plots 243 ...