4MA1/1F Jun 2023, Question 12: Mean, Median, Mode and Range
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 5 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Pam's netball goals over 8 games are listed in ascending order as 1, 1, 2, 2, 3, 6, x, 14. Calculate the range, median, and the unknown x given a mean of 5.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Calculate the spread between the highest and lowest goals scored.
- 114 − 1 = 13
Answer13
Part (b) · 1 mark
Determine the middle value of the ordered goal counts.
- 1(2 + 3) / 2 = 2.5
Answer2.5
Part (c) · 3 marks
Using the stated mean of 5 across 8 games, determine the missing value x.
- 18 × 5 = 40
- 21 + 1 + 2 + 2 + 3 + 6 + 14 = 29
- 340 − 29 = 11
Answer11
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 2023 · 4MA1/1F · 4ma1 jun23 1f · question 12.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.