Trend Lines and Scatter Plots

Front

If a scatterplot has no correlation then...

Back

its ordered pairs have no predictable pattern

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

As x increases, y increases

Back

positive correlation

Front

What is a line of best fit used for?

Back

To make predictions

Front

What is the correlation? Options: Negative correlation, No correlation, Positive correlation, All of the above

Back

No correlation

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

What type of correlation (association) between the outside temperature and the amount of layers you wear? Options: Positive correlation, Negative correlation, No correlation, All of the above

Back

Negative correlation

Front

The number of siblings you have and your weight.

Back

No correlation

Front

What is the type of association (correlation)? Options: Negative, no association, positive

Back

no association

Front

About how many male math teachers were there in 2006? Options: 15, 30, 35, 45

Back

35