Scatterplots, Trend lines, Correlation

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

Which scatter plot shows a linear relationship between x and y? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph C

Front

The scatter plot shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement best describes the line of best fit?

Back

The more books students read, the higher their English grade.

Front

What is the correlation between length of running start and distance of jump? Options: positive:  the further you run the further you jump, negative: the less you run the less distance of your jump, positive: the further your running start the less your distance

Back

positive:  the further you run the further you jump

Front

Which best describes the form of this scatterplot? Options: linear, nonlinear, scattered

Back

nonlinear

Front

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

Back

no correlation

Front

What is a line of best fit used for?

Back

To make predictions

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

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

C

Front

Predict resting heart rate after 6 hours of exercise a week.

Back

55