Shoe sizes and a population estimate
Shoe sizes and a population estimate
Secondary 2
10 marks
TGM Original Questions
The shoe sizes of 34 students are: 6, 5, 7, 4, 6, 3, 8, 5, 6, 7, 4, 5, 6, 9, 5, 7, 6, 4, 5, 6, 7, 3, 8, 5, 6, 4, 7, 5, 6, 3, 7, 4, 5, 6.
- Construct a frequency table for sizes 3 to 9.[2]
- Find the mean, mode and median.[4]
- Find the percentage wearing size 7.[2]
- Estimate how many of 300 similar students wear size 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) frequencies \(3,5,8,9,6,2,1\) (b) mean \(\frac{95}{17}\approx5.59\), mode \(6\), median \(6\) (c) \(17.6\%\) (d) about \(53\).
Need help? Join our E-Maths tuition for O-Level success.
Learn more