Construct and Interpret Scatter Plots

What is a scatter plot?

• A graph that shows the relationship of two data sets.

• A graph drawn using rectangular bars to show how large each value is.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

In this image, how would you describe the point that does not fit the pattern of the other dots?

• The point is a linear model.

• The point is an outlier.

• The point is the range.

• The point is the median.

Describe the correlation in the graph shown.

• Weak Negative

• Weak Positive

• Strong Negative

• Strong Positive

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

Tags

CCSS.HSF.IF.B.4

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

What type of correlation does this scatter plot show?

• positive

• negative

• no correlation

• nonlinear association

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Choose the graph with a trend line that best fits the data. (a)  

• graph 1

• graph 2

• graph 3

• graph 4

Tags

CCSS.8.EE.B.5