6-1 Introduction To Empirical Models
6-1 Introduction To Empirical Models
6-1 Introduction To Empirical Models
6-1 Introduction To Empirical Models
Based on the scatter diagram, it is probably reasonable to
assume that the mean of the random variable Y is

3-1 Introduction
Experiment
Random
Random experiment
3-1 Introduction
3-1 Introduction
3-1 Introduction
3-1 Introduction
3-2 Random Variables
In an experiment, a measurement is usually
denoted by a variable such as X.
In a random experiment, a variab

4-1 Statistical Inference
The field of statistical inference consists of those
methods used to make decisions or draw
conclusions about a population.
These methods utilize the information contained in
a sample from the population in drawing
conclusions.

8-1 Quality Improvement and Statistics
Definitions of Quality
Quality means fitness for use
- quality of design
- quality of conformance
Quality is inversely proportional to
variability.
8-1 Quality Improvement and Statistics
Quality Improvement
Quality

2-1 Data Summary and Display
2-1 Data Summary and Display
2-1 Data Summary and Display
2-1 Data Summary and Display
Population Mean
For a finite population with N measurements, the mean is
The sample mean is a reasonable estimate of the
population mean.
2

1-1 The Engineering Method and
Statistical Thinking
Engineers solve problems of interest to society by the
efficient application of scientific principles
The engineering or scientific method is the approach to
formulating and solving these problems.
1-1