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Unit 1

Data Displays And Number System

TermDefinition
Data Information that is gathered by counting, measuring, or observing
Statistics The study of numerical data: collecting, organizing, and analyzing data to interpret it and answer questions. The numerical data themselves
Variability How spread out the values in a set of data are.
Statistical question A question that would be answered by collecting or analysing data
Range The difference between the maximum and the minimum set. The range 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, they are stacked up.
Median A type of average which is the middle value of an ordered set of data values. A line that joins the vertex of a triangle to the midpoint of the opposite side.
Distribution Distribution of Data
Mode The value or values that occur most often in a Data set.
Data Landmark A notable feature of a Data set . Some landmarks are the Mean, median, mode, maximum, minimum, and range.
Minimum The smallest amount; the smallest number is a set of data
Median a type of average which is the middle value of an ordered set of data values. Also a line that joins the vertex of a triangle to the midpoint of the opposite side.
Average A typical value for a set of numbers. The word average usually refers to the mean of a set of numbers.
Mean Usually called the average and may be called the arithmetic mean. The mean is the total of all the scores or amounts, divided by, how many scores or amounts there were.
Created by: user-1846624
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