EDA CH1 T2

Question 1

is someone who solves problems of interest to society with the efficient application of scientific principles by:

Answer 1

engineer;
refining existing products and designing new products or processes

Question 2

Engineers solve problems of interest to society by the efficient application of

Answer 2

scientific principles

Question 3

is the approach to formulating and solving these problems.

Answer 3

engineering or scientific method

Question 4

• Used to quantify likelihood or chance
• Used to represent risk or uncertainty in engineering
applications
• Can be interpreted as our degree of belief or relative
frequency

Answer 4

the field of probability

Question 5

Deals with the collection, presentation, analysis, and use of data to make decisions and solve problems.

Answer 5

the field of statistics

Question 6

Statistical techniques are useful for describing and understanding

Answer 6

variability

Question 7

is a very useful plot for displaying a small body of data - say up to about 20 observations.

Answer 7

dot diagram

Question 8

study using historical data

Data collected in the past for other purposes.

Answer 8

retrospective

Question 9

Data, presently collected, by a passive observer.

Answer 9

observational

Question 10

Data collected in response to process input changes.

Answer 10

designed experiment

Question 11

uses either all or a sample of the historical process data from some period of time.

Answer 11

retrospective study

Question 12

simply observes the process of population during a period of routine operation.

Answer 12

observational study

Question 13

the engineer makes deliberate or purposeful changes in the controllable variables of the system or process, observes the resulting system output data, and then makes an inference or decision about which variables are responsible for the observed changes in output performance.

Answer 13

designed experiment