Ordered values with unknowns and a new mean
Ordered values with unknowns and a new mean
Secondary 2
6 marks
TGM Original Questions
Core stretch
The ordered data are \(0,2,3,4,x,y,7,8,11,13\).
- Write the median in terms of \(x,y\).[1]
- Given \(x=5\) and the mean is 6, find \(y\) and state the mode.[3]
- A value \(p\) is added and the new mean is 7. Find \(p\).[2]
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Answer:(a) \(\frac{x+y}{2}\) (b) \(y=7\), mode \(7\) (c) \(p=17\).
Need help? Join our E-Maths tuition for O-Level success.
Learn more