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Graph in which the lengths of bars are used to represent and compare data.
bar graph
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A sample that's not representative of the population from which it is selected.
biased sample
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Displays data as sections of a circle. The entire circle represents all the data & is labeled using fractions, decimals or % of the sum of the data.
circle graph
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Information, facts or numbers that describe something.
data
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The number of times an item, number, or event occurs in a set of data.
frequency
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A table used to group data values into intervals.
frequency table
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A graph that displays data from a frequency table; has one bar for each interval of the table that contains data values. The length of the bar indicates the frequency for the interval.
histogram
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A set containing all points (or all real numbers) between two given endpoints.
intervals
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A type of graph in which points representing data pairs are connected by line segments.
line graph
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A number line diagram that uses X marks to show the frequencies of items or categories being tallied.
line plot
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The sum of the values in a data set divided by the number of values.
mean
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The middle value in a data set when the values are written in numerical order. If the data set has an even number of values, the median is the mean of the 2 middle values.
median
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The number that occurs most frequently in a set of numbers.
mode
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A visual display (graph) of data shown by using symbols. Also may be referred to as a picture graph.
pictograph
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In statistics, the entire group of people or objects about which you want information.
population
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A sample selected in such a way that each member of the population has an equally likely chance to be part of the sample.
random sample
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The difference between the largest and smallest values in a numerical data set.
range (of a data set)
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A part of a population.
sample
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