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Unit 1

Data Displays and Number Systems

WordDefinition
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.
Variability How spread out the values in a set of data are.
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.
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 The largest amount; the greatest number in a set of data.
Distribution The arrangement and frequency of data values in a data set.
Mode The value of values that occur most often in the data set.
Data Landmark A notable feature in a set of data.
Minimum The smallest amount; the smallest number in a set of data.
Median The middle value in a set of numerical data when the
Created by: user-1846842
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