Scatter Plot

Presentation

•

Mathematics

•

9th Grade

•

Hard

James Gonzalez

FREE Resource

5 Slides • 25 Questions

Scatter Plots & Correlation

Definition

A scatter plot is a graph with points plotted to show a potential relationship between two sets of data.

Correlation is a fancy way to describe the relationship between two variables.

Multiple Choice

Can you guess the correlation?

Positive

Negative

None

Multiple Choice

Can you guess the correlation?

Positive

Negative

None

Multiple Choice

Can you guess the correlation?

Positive

Negative

None

Correlation: The Thumbs Up Test

POSITIVE CORRELATION: thumbs agree
NEGATIVE CORRELATION: thumbs disagree
NO CORRELATION: thumbs have nothing to do with each other

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

What type of correlation is shown here?

Positive correlation

Negative correlation

No correlation

Multiple Select

This graph shows the relationship between the outside temperature(y) and the number of customers in the ice cream shop(x). Which sentence/s describes what's happening in the graph? CHOOSE ALL THAT APPLY!

More customers are in the store when the temperature is lower.

More customers are in the store when the temperature is higher.

Fewer customers are in the store when the temperature is lower.

Fewer customers are in the store when the temperature is higher.

Multiple Choice

Select the statement that best describes the line.

The line is the line of best fit.

The line is NOT a line of best fit because it does not pass through two points.

The line is NOT a line of best fit because it does not go through the middle of the data set.

The line is NOT a line of best fit because it does not go through the origin.

Multiple Choice

Which of the following lines represents the line of best fit for the scatter plot?

There is no line of best fit for this graph because there is no trend.

Multiple Choice

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

As x increases, y decreases

As x increases, y increases

As x decreases, y decreases

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

Guess the correlation between the variables:

Positive

Negative

None

Multiple Choice

If a scatter plot has no correlation, then...

you cannot predict the Y value by knowing the X value

as the X value increases, the Y value decreases

the data is not useful

as the X value increases, the Y value increases

Draw

Draw a scatter plot that shows a positive correlation.

Draw

Draw a scatter plot that shows a negative correlation.

Hotspot

Click a point on the graph that would be near a line of best fit.

Hotspot

Click the point that represents the number of visitors that went to the beach on the hottest day.

Hotspot

Click the point that represents the highest number of visitors on any day.

Open Ended

How would you decide whether to use a scatter plot or a line graph to represent data?

Type response here

Poll

How would you rate your understanding of scatter plots and correlation after viewing this presentation? 1 = terrible, 5 = great

Thank you for viewing!

Scatter Plots & Correlation

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