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Math 30

Math 30 vocabularyMath 30 definitions
What is a circle? a set of points in a plane that are equidistant to the radius from a given point (the center)
What is a radius? the distance from the center to any point on the circle
What is a chord? a segment with end points on the circle
What is the diameter? a chord containing a chord
What is a secant? a line containing a chord
What is a tangent? a line that is tangent to a circle intersects the circle at exactly one point on the circle
What is a central angle? an angle with a vertex at the center of the circle
What is an inscribed angle? an angle with sides containing two chords of the circle
What is a minor arc? an arc less than half the circle
What is a major arc? the arc greater than a semicircle
What is the measurement of a minor arc? equals its central angle
Raw data this is statistical information as it is collected before it has been grouped in any way.
Tabulated data this is statistical information that has been grouped and adjusted in tabular form
Histogram this is a graph in which equal intervals are given on the x axis and y axis
frequency polygon this is a type of line graph produced by joining the midpoints of the tops of the columns of a histogram
Population pyramid this is the graph that consist of two back-to-back, horizontal histograms with a common verticle axis, used to interpret how people of various ages live.
Ogive this is the graph of a cumulative frequency distribution and has the shape of an elongened 's'
Multiple line graph This is the graph that consists of one or more line graph used to compare one commodity to another
Stacked bar graph this is a bar graph consisting of two or more stacks, used to compare data
Circle/Pie Graph This is a circular graph used to show the relation of one part to another and one part to a whole
Why are statistics often harmful? because graphs which give visual representations of data may be very misleading
box plots this is a diagramic way of showing the spread of distribution
Survey Maps these maps of a region or country that indicate by colors or other format how the population feels abuot a certain area
weather maps representation of symbols of curved lines over a superimposed over a variety of weather elements and ailments
contour Maps this is a pictorial representation of curves on a map through points that represent places with the same hieght abuot sea level. It is the top view of an area
Maps use contour lines to : show the outlines of hills and valleys above or below sea level
Exponential growth and exponential are examples of : Exponential equations
In oder to solve any equation, we are looking for the values that make the equation equal to zero
absolute cell reference in a spreadsheet formula a reference to one particular cell of the spredsheet
accuracy when refering tom a measurement it indicates how close the measurement is to its true value
active cell the cell of a spread sheet that you have indicated
acute angle an angle where its less then 90 degrees
adjacent side in a right angle the side next to the named angle that is not the hypotenuse
alleles alternate forms of a gene
altitude the perpendicular distance from abase of a figure
amplitude half the distance between the maximum and minimum values an equation
Created by: classclown05