A student repeats a measurement of extension five times for the same force. One value is very different from the other four. What should the student do with this value?
include it when calculating the mean extension
use it as the final value of the extension
change the value so that it fits the other four
leave it out when calculating the mean extension
40 exam-style questions on AQA GCSE Physics 5.3 Forces and elasticity, covering 5.3 Forces and elasticity. Each one has a worked solution and a mark scheme showing where the marks go.