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Unit 1

Data Displays and Number Systems

TermDefinition
Data Information that is gathered by counting, measuring, questioning, or observing.
Statistics The study of numerical data: collecting, organizing, and analyzing data to interpret it and answer questions.
Statistical Question A question that would be answered by collecting or analyzing data.
Range The difference between the maximum and the minimum in a data set. It is a measure of how spread out a distribution is.
Variability How spread out the values in a set of data are.
Dot Plot A number line long enough to encompass all numbers in a sample, showing a dot over the position corresponding to each number.
Maximum Highest or greatest amount or value.
Mode A type of average.
Minimum Lowest or least amount or value.
Median A type of average which is the middle value of an ordered set of data values.
Distribution The arrangement and frequency of data values in a data set.
Data Landmark A notable feature of a data set.
Created by: user-1846840
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