Chapter 1 Statistics, Data, and Statistical Thinking data – factual information (as measurements or statistics) used as a basis for reasoning, discussion, or calculation. statistics – the science of data, involving collecting, classifying, summarizing, organizing, analyzing, and interpreting numerical information. descriptive statistics – utilizes numerical and graphical methods to look for patterns in a data set, to summarize the information revealed in a data set, and to present that information in a convenient form. inferential statistics – utilizes sample data to make estimates, decisions, predictions, or other generalizations about a larger set of data. population – a set of units (usually people, objects, transactions, or events) that have an interest in being studied. variable – a characteristic or property of an individual population unit. measurement – the process by which numbers are assigned to variables. census – the measurement of a variable for every unit of a population.
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This note was uploaded on 11/10/2009 for the course MATH 141 taught by Professor Unknown during the Fall '04 term at Bloomsburg.