Scatter Plots
Linear Relationships
Random
slope
Scatter Plot Situations
100
A point that lies outside of the pattern of the points is called an...
outlier
100
the location of where a line crosses the y-axis is called....
y-intercept
100
You use this to find the slope on a graph
rise over run
100
what is the slope?
y=2x+10
2
100
The number of ice cubes in a drink and the temperature of the drink
negative correlation
200
What three types of scatter plots on there? (1 answer per group)
Positive, Negative, and non
200
what is the equation for linear equations
y=mx+b
200
The slope of a vertical line is...
undefined
200
(2,3) and (9,7)
m=4/5
200
The number of trees in a person's yard and the number of windows on a person's house
no correlation
300
If the dots are close together, it makes a ________
cluster
300
in the equation y=mx+b what is b and what is m
b is you y intercept and m is your slope
300
Find the equation of the line if the slope is 2 and y-intercept is -9
y=2x-9
300
(5, 9) and (8, 9)
zero slope
300
The incline of a ski slope and the speed of the skiers
positive correlation
400
If the dots are making a straight line, it can be considered as a _________
linear association
400
is y=-5x+9 linear?
yes
400
The middle of a coordinate plane is called the _______
origin
400
6/5
400
The number of people at a movie and the amount of popcorn sales
positive correlation
500
We use a _______________ to make predictions on graphs.
trend lines
500
What is another name for slope? (2 answers)
Unit Rate and Rate of Change
500
Find the equation of a line if m= 6 and (5, 8)
y=6x-22
500
m=0
500
Your shoe size and the number of people in your family
no correlation