4.4 Scatter plots and Correlations

4.4 Scatter plots and Correlations

Scatter plots are data points on a chart.

X and Y coordinate represent some value.

X coordinate goes left or right

Y coordinate goes up or down

Usually everything is positive so

x goes right

y goes up

Multiple Choice

Which is the correct graph?

• A

• B

• C

• D

Positive correlation

goes UP to the Right

Negative correlation

goes Down to Right

No correlation

Random points

all over the place

doesn't make a line

Multiple Choice

What type of correlation is it?

• Positive

• Negative

• None

Multiple Choice

What type of correlation is it?

• Positive

• Negative

• None

Multiple Choice

What type of correlation is it?

• Positive

• Negative

• None