Frequency conditions on test scores
Frequency conditions on test scores
Secondary 2
6 marks
TGM Original Questions
Core stretch
Scores 4, 6, 7, 8, 9 have frequencies \(5,x,4,3,2\). Conditions are independent. Find
- \(x\) if the median is 6.5,[3]
- the least \(x\) if 6 is the unique mode,[1]
- the mean if the number scoring 6 is half the number scoring 7.[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) \(4\) (b) \(6\) (c) \(6.375\).
Need help? Join our E-Maths tuition for O-Level success.
Learn more