ALL OF MATH 2.0
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34 Terms
what do you call an ordered pair or ordered triple used to specify a point on a plane
cartesian coordinates
what do you call a graph or table that contains 2 variables
bivariate
what is the formula for rate of change
(y2-y1) / (x2-x1)
what do you call an average
mean
what is the mean
the average
how do you find the mean
adding all the numbers up and divided by the amount of numbers
what is the median
the middle number of an ordered list
what happens when there is two medians
you find the mean of those two and thats your median
what is a mode
numbers in a list that occurs the most often
what happens when there are two modes
it is considered bimodial
what is a range
measure of spread for a data set
how do you find range
subtract the minimum value from the maximum value
when you subtract the minimum value from the maximum value, what is the answer called
absolute difference
how to find range on a graph
highest value y minus the lowest y value
what is standard deviation
describes how data varies from its mean
What is the shape of this graph
symmetry
What is the shape of this graph
bimodial two peaks
What is the shape of this graph
bell shaped unimodial
What is the shape of this graph
skewed right
What is the shape of this graph
skewed left
if a graph is skewed left does it peak towards lower or higher values?
higher
What is the shape of this graph
uniform
how can probability be found
dividing desired outcomes by total number of outcomes
what is the equation for a direct variation
y = kx
wha tis the equation for an indirect variation
y = k / x
describe a directly related correlation
both variables increase or decrease
describe and inversely related coorelation
one variable increases while the other decreases
where do independant variables go on a graph
x axis
where do dependent variables go on a graph
y axis
what is an arc
part of a circumference of a circle
what is a circumfrance
distance around a circle
what is area measured in
square units
what is volume measured in
cubic units
what is the difference between area and surface area
area is a two dimensional spaces
surface area is a three dimensional space