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Unit 1

Data Displays and Number Systems

TermDefinition
Data Information gathered by counting, questioning, or measuring.
Statistics The study of numerical data.
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 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. if more than one dot falls in the same position.
Landmark A notable feature of a data set. Some landmarks are the mean, median, mode, maximum, minimum, and range.
Maximum highest or greatest amount or value.
Minimum lowest or least amount or value.
Distribution The arrangement and frequency of data values in a data set. A distribution may be summarized with measures of center and variability.
Mode a type of average. in a set of scores, values or numbers the mode is the one that occurs the most.
Created by: user-1846839
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