An activity based on a BBC article about the 30mph speed limit and testing whether an 85th percentile rule may be appropriate for setting new speed limits on roads.
The sheet includes an extract from the original article and then some (fabricated) data about speeds recorded on two roads for students to test. They should find the 85th percentile, median and 3rd quartile for each set and assess whether 30mph is appropriate for that road.
This activity can lead to a discussion on grouped frequency tables, interpolation, safety and much more!
The sheet includes an extract from the original article and then some (fabricated) data about speeds recorded on two roads for students to test. They should find the 85th percentile, median and 3rd quartile for each set and assess whether 30mph is appropriate for that road.
This activity can lead to a discussion on grouped frequency tables, interpolation, safety and much more!
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A nice activity on medians and quartiles to compare data with a real life element to stimulate interest. Some work on quartiles will need to completed before this activity. Thank you for sharing.
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