## Math 6 - Data Analysis

##### Created by:

jcarozza Plus on September 1, 2011

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# Math 6 - Data Analysis

 bar grapha graph that uses horizontal or vertical bars to display data
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bar graph
a graph that uses horizontal or vertical bars to display data
frequencythe number of times within a given time period
frequency table
a table that lists together according to the number of times, or frequency, that the items occur
histogram
a bar graph that shows frequency data within equal intervals
intervalspace between marked values on a number line or scale of a graph
line graph
a graph that uses line segments to show how data changes
line plot
a number line with marks or dots that show frequency
mean
the sum of a set of data divided by the number of items in the data set (average)
median
middle number or the mean of the two middle numbers in an ordered set of data
mode
number or numbers that occur most frequently in a set of data; when all numbers occur with the same frequency, we say there is no mode
outliera value much greater or much less than others in a data set
rangethe difference between the greatest and least values in a data set
stem-and-leaf plot
a graph used to organize and display data so that the frequencies can be compared
tally
using marks to record counting
bimodalmeaning twice or two; having or involving 2 modes

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