Scatter Plots

Front

What do you call when most of the data is located in a certain area on a graph?

Back

Cluster

Front

Which graph has no association?

Back

Graph D

Front

Use the trend line to predict how many chapters would be in a book with 180 pages.

Back

18 chapters

Front

Is this line an accurate line estimate of best fit for the data?

Back

No

Front

What kind of slope would the graph of the model have?

Back

Negative

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables.

Front

What does a positive slope indicate in a scatter plot?

Back

A positive slope indicates that as one variable increases, the other variable also increases.

Front

What does a negative slope indicate in a scatter plot?

Back

A negative slope indicates that as one variable increases, the other variable decreases.

Front

What is a trend line?

Back

A trend line is a straight line that best represents the data on a scatter plot.

Front

What does it mean if data points are widely spread out in a scatter plot?

Back

It indicates a weak or no correlation between the variables.