Challenge Question
When do we draw a line of best fit and what can we use it for? Why is it not always appropriate to draw a line of best fit?
Learning Targets
Beginning
To be able to demonstrate how to plot a scatter graph and explain what this can show us.
Developing
To be able to demonstrate when and how to draw a line of best fit on a scatter diagram.
Resources
Activity 1
Plot each set of data using the Number app. Sketch the general shape the points form.
What affects Ice Cream Sales
Activity 2
Drawing and using the Line of Best Fit.
Lines of Best Fit
Activity 3
What can you find out about these cars.
Top Trumps - Scatter Graphs - Cars
Activity 4
Drawing your own Scatter Graph:
Taxi Drivers
To be able to demonstrate how to plot a scatter graph and explain what this can show us.
Developing
To be able to demonstrate when and how to draw a line of best fit on a scatter diagram.
Mastering
Able to interpret a line of best fit and recognise the different types of correlation.
Able to interpret a line of best fit and recognise the different types of correlation.
Resources
Activity 1
Plot each set of data using the Number app. Sketch the general shape the points form.
What affects Ice Cream Sales
Activity 2
Drawing and using the Line of Best Fit.
Lines of Best Fit
Activity 3
What can you find out about these cars.
Top Trumps - Scatter Graphs - Cars
Activity 4
Drawing your own Scatter Graph:
Taxi Drivers
Activity 5
Homework