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Go Math Ch 12 Vocab

bar graph a graph that uses horizontal or vertical bars to display countable data
dot plot a graph that shows frequency of data along a number line
frequency table a table that uses numbers to record data about how often an event occurs
line graph a graph that uses line segments to show how data change over time
data information collected about people or things, often to draw conclusions about them
frequency the number of times an event occurs
histogram a type of bar graph that shows the frequencies of data in intervals
mean the sum of a set of data items divided by the number of data item
measure of center a single value used to describe the middle of a set of data (mean, median, mode)
mode the value(s) in a data set that occurs the most often
relative frequency table a table that shows the percent of time each piece of data occurs
median the middle value when a data set is written in order from least to greatest, or the mean of the two middle values when there is an even number of items
outlier a value much higher or much lower than the other values in a data set
statistical question a question that asks about a set of data that can vary
Created by: cdeoliveira
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