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# Unit 10 Data/Graphs

### Mean, Median, Mode, Range, IQR

TermDefinition
Data collected information organized in a graph
Interquartile Range difference between quartile 3 and quartile 1; measure of spread
Lower Quartile median of the first half of numbers in the set of data
Mean average; the sum of all the values in the set divided by the amount of numbers given in a set of data
Measures of Center measures that identify the central area or the middlemost value of a set of numbers; mean, median, and mode
Measures of Spread measures that describe how spread out or scattered the values in a set of data are; range and interquartile range
Median middlemost number in a set of data
Mode number most often used in a set of data
Range difference between the highest value and lowest value in a set of data
Upper Quartile the median of the second half of numbers in the set of data
Box Plot graph using a number line to show the distribution of data; median, lower and upper quartiles
Dot Plot graph using a number line using a dot to show each number in the data set
Frequency Table table used to show how often a number occurs in the data set
Histogram graph using bars to show the frequency of numbers in the data set
Horizontal a line going side to side
Intervals numbers between two specific values
Outliers data value way higher or way lower than most of the numbers in a data set
Skewed when data is off to the right or off to the left
Stem and Leaf Plot graph used to display data based on place value
Symmetrical shape of a graph when most of the data values are grouped in the middle and tail off equally to both sides
Uniform shape of a graph when all values are equal across the graph
Vertical a line going up and down
Created by: kcrawford23