Elevise
  • Home
  • GCSE Maths
  • Membership
Back to OCR Maths Foundation November 2018 Paper 3 Home
​Q17: Answers – Paper 3 – November 2018
​​Helpful Links
Content:
  • Analysing Grouped Data​
Quizzes:
  • Analysing Grouped Data

Mark Scheme
Picture

Working
The police record the speed of vehicles passing a speed checkpoint.
​The speeds are recorded in the table below.
Picture
a) Calculate an estimate of the mean speed of the vehicles.
Picture

​​b) Explain why it is not possible to use the information from this table to calculate the 
exact value of the mean speed.
See mark scheme for answers!

Question
17) The police record the speed of vehicles passing a speed checkpoint.
​The speeds are recorded in the table below.
Picture
a) Calculate an estimate of the mean speed of the vehicles.
[4 marks]​​

​b) Explain why it is not possible to use the information from this table to calculate the exact value of the mean speed.
[1 mark]​​
Back to Question
Home
GCSE Maths
Membership
UNITED KINGDOM
INFO@ELEVISE.CO.UK
  • Home
  • GCSE Maths
  • Membership