4MA1/1F Jun 2021, Question 25: Mean, Median, Mode and Range
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Jethro's 5 test marks out of 100 have mean 74. Find the least mark he needs on a sixth test out of 100 so that his mean for all 6 tests is at least 77.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 15 × 74 = 370
- 26 × 77 = 462
- 3462 − 370 = 92
Answer92
Stuck on a step? Read the free lesson: Mean, Median, Mode and Range
Practise more mean, median, mode and range questions
Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on mean, median, mode and range
Also searched as: 4MA1 1F June 2021 · 4MA1/1F · 4ma1 jun21 1f · question 25.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.