Chapter 4- Scatterots

Question 1

What does a scatter plot use

Answer 1

It uses ordered pairs

Question 2

What correlations are possible

Answer 2

Positive correlation - where the points go up to the right

Negative correlation- where the points go down to the left

No correlation- scattered everywhere

Question 3

Definition of a strong correlation

Weak correlation

Answer 3

Strong correlation - most of the data is lining up in a straight line

Weak correlation- it’s is either positive or negative but more space between the points

Question 4

Definition of trend

Answer 4

Saying what is happening on graph. Giving the correlation and variables

Question 5

Dependant variable definition

Independent variable definition

Answer 5

Dependant - relys on other factors (relys on independent variable) it’s the y-axis on a graph

Independent- does not rely on other factors. It’s on the x-axis on a graph

Question 6

Why are outliers

Answer 6

Outliers are the points of data that are no where near the main trend

Question 7

How is a scatter plot divided

Answer 7

It is divided into 4 quadrants