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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 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 the 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 Highest or greatest amount or value.
Distribution The arrangement and frequency of data values in a data set.
Mode A type of average.
Data Landmark A notable feature of a data set
Minimum Lowest or least amount or value.
Median A type of average which is the middle value of an ordered set of data values.
Average A number expressing the central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean.
Mean The average of a data set
Balance Point The balance point is also known as the mean.
Measure of Center
Outlier A value far away from most of the rest in a set of data.
Histogram A value far away from most of the rest in a set of data.
Bin
Cluster Numbers which tend to crowd around a particular point in a set of data values.
Created by: user-1846843
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