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What is statistics about?
Mathematica can be divided into two parts ; viz. Mechanics, and Statistics. Mechanics deals with the movement of a single object in a population. Statistics deals with the movement of the population as a whole. e.g. A single car may move at 30 mph. The total car population may have an average/mean speed of 20 mph.
How are statistics used by scientists?
I believe scientist use statistics as data to process certain actions from a measured group or population. This can determine certain out comes when test are done repeatedly to obtain an actual statistical outcome.
What is the importance of statistics in the field of engineering?
To be able to keep parameters within a controlled process. For ISO certifications and process verifications. To follow guidelines set forth by criteria standards. To display what occurs given certain conditions. # Design of Experiments (DOE) uses statistical techniques to test and construct models of engineering components and systems. # Quality control and process control use statistics as a tool to manage conformance to specifications of manufacturing processes and their products. # Time and methods engineering uses statistics to study repetitive operations in manufacturing in order to set standards and find optimum (in some sense) manufacturing procedures. # Reliability engineering uses statistics to measures the ability of a system to perform for its intended function (and time) and has tools for improving performance. # Probabilistic design uses statistics in the use of probability in product and system design. That slice of information is from our friends at Wikipedia.
What are the differences between results and conclusions?
A conclusion is a decision reached through reasoning. A result usually thought of as the product of a mathematical process. So a result is on kind of conclusion.
What is occurs when some population units are excluded from the process of selecting the sample?
sampling errorS OCCURES WHEN SOME POPULATION UNITS ARE EXCLUDED FOR SAMPLING
