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7th Math, 4th Nine Weeks
Terms in this set (20)
The sum of the data divided by the number of items in the data set
measures of central tendency
Numbers that are used to describe the center of a set of data. These measures include the mean, median, and mode.
The middle number in a set of data when the data are arranged in numerical order. If the data has an even number, the median is the mean of the two middle numbers.
The number or numbers that appear most often in a set of data
A piece of data that is quite separated from the rest of the data. In a box-and-whisker plot, data that are more than 1.5 times the interquartile range from the quartiles.
The difference between the greatest and the least numbers in a set of data
A diagram that summarizes data using the median, upper and lower quartiles, and the extreme values. A box is drawn around the quartile values, and whiskers extend from each quartile to the extreme data points.
Includes a running total of the frequencies of all the previous groups
Shows how often an item, a number, or a range of numbers occurs
A special kind of bar graph in which the bars are used to represent the frequency of numerical data that have been organized in intervals
A graph that uses an x above a number on a number line each time that number occurs in a set of data
Values that divide a set of data into four equal parts
scattergram (scatter plot)
Two sets of related data are plotted as ordered pairs on the same graph
A system used to condense a set of data where the greatest place value of the data forms the stem and the next greatest place value forms the leaves
As the value of x increases the value of y increases
As the value of x increases the value of y decreases
The value of x is independent of the value of y
The difference between the upper quartile and the lower quartile
A prediction that suggests what can be expected to happen
A statement made about future occurrences
THIS SET IS OFTEN IN FOLDERS WITH...
7th Math, 1st Nine Weeks
7th Math, 2nd Nine Weeks
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