Statistics Chapter 1 Notes
Terms in this set (12)
3 reasons to study statistics
-being an informed information consumer
-to understand and make decisions
-evaluating decisions that will affect your life.
What is the data analysis process?
-data needs to be collected or an appropriate data source is identified
-organizing, summarizing the information
-draw conclusions or make decisions based on data
(generalizing from small to large group)
What are the two major branches of statistics
descriptive and inferential
Why is variability important in statistics?
it is necessary to draw conclusions based on data
populations with no variability do not.....
what makes a staticans life interesting? :)
understanding variability allows us to distinguish between....
unusual and usual data values
science of collecting, analyzing, and drawing conclusions from data
entire collection of individuals or objects about which information is desired
part of the population selected for study
Numerical, graphical, and tabular methods for organizing and summarizing values of a data set
generalizing form a sample=>population from which it is selected
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