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24 Cards in this Set
- Front
- Back
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Statistics |
collecting, organizing, and interpreting |
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Data |
are pieces of information, which are often numerical |
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Frequency Table |
shows the number of pieces of data that fall within given intervals |
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Scale |
allows you to record all the data |
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Interval |
separates the scale into equal parts |
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Line Plot |
is a diagram that shows the frequencyof data on a number line |
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Cluster |
group closely together |
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Outliers |
seperate from the reat of the data |
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Range |
the difference between the greatest and the least numbers in a data set |
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Measures of Central Tendency |
the center of data |
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Mean |
A set of data is the sum of the data divided by the number of items in the data set |
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Median |
A set of data is the middle number of the ordered data or the mean of the two middle numbers |
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Mode |
is a set of data is the number or numbers that occur most often |
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Stem-and-leaf plot |
the data organized from least to greatest |
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Leaves |
digits of the least place value usually form |
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Stems |
the place value digits form |
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Lower Quartile |
to divid the data into four parts, find the median of the lower half |
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Upper Quartile |
the median of the upper half |
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Box-and-whisker plot |
is a diagram that summarizes data by dividing into four parts |
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Lower Extreme |
the scale should include the median, the quartiles, and the least and greatest values |
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Upper Extreme |
the scale should include the median, the quartiles, and the least and greatest values |
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Interquartile Range |
the difference between the upper quartile and the lower quartile |
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Bar Graph |
is one medthod of comparing data by using solid bars to represent quantities |
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Histogram |
A special kind of bar graph, bars to repesents the frequency of numerical data that have been organized in intervals |
