Averages (including IQR): WJEC GCSE Foundation June 2022 Unit 2 Q11

Foundation June 2022 Unit 2 Q11

11. In this question, you will be assessed on the quality of your organisation, communication and accuracy in writing.

Geraint writes down three different even numbers.

The smallest number is \(\dfrac{3}{5}\) of 200.

The range of his numbers is 4.

Which three different even numbers did Geraint write down?
You must show all your working. [3 + 2 OCW]

Mark scheme

Scheme	Marks	Comments
(Smallest number = \(\dfrac{3}{5}\) × 200 = 120) (Largest number = 120 + 4 = 124) (The three numbers are) 120, 122, 124	B3	Award B2 for a final answer of three numbers which satisfies the following conditions: the three numbers are different the three numbers are even the range of the three numbers is 4 the smallest number is greater than or equal to 40. Award B1 for sight of 120 or a final answer of three different numbers with a range of 4.
Organisation and Communication.	OC1	For OC1, candidates will be expected to: present their response in a structured way explain to the reader what they are doing at each step of their response lay out their explanation and working in a way that is clear and logical write a conclusion that draws together their results and explains what their answer means
Accuracy of writing.	W1	For W1, candidates will be expected to: show all their working make few, if any, errors in spelling, punctuation and grammar use correct mathematical form in their working use appropriate terminology, units, etc

Corrected by Westie's Workshop

The board's mark scheme printed “The three numbers are) 120, 122, 124”. Changed to “(The three numbers are) 120, 122, 124” because the closing bracket had no opening bracket.

Original: see the board's mark scheme PDF (link above).