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15 Cards in this Set
- Front
- Back
balance point
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in statistics, this is the mean - the point on a number line at which the values to the left and right are equal
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bimodal
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in statistics, a data set with two modes
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mean
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a measure of center calculated by adding all of a set of a values and dividing by the number of values
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measures of center
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numbers that give some indication of the distribution of data. three common measures of center are mean, median, and mode.
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median
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in statistics, the middle number of an ordered set, e.g. 3 in the set 0, 1, 1, 3, 4, 5, 6
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mode
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in statistics, the most common number of an set, e.g. 1 in the set 0, 1, 1, 3, 4, 5, 6
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bar graph
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a graph where the length of a bar represents a certain amount.
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central angle
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a central angle is an angle whose vertex is the center of a circle, and whose sides pass through a pair of points on the circle,
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circle graph
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a graph of statistical data where a circle is subdivided into regions that represent the percent of the total.
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compass
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an instrument for drawing circles
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data
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facts and statistics collected together for reference or analysis
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line graph
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a graph in which points, each corresponding to a particular value, are connected by a line.
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protractor
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an instrument for measuring angles
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survey
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an investigation of the opinions or experience of a group of people, based on a series of questions
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vertex
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a meeting point of two lines that form an angle
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