Sorting data
Answers are for parents and teachers.
1
The marks 4, 5, 3, 5, 2, 4 are sorted in ascending order. What is the second number?
3
2
A table has 25 pupils and 1 header row. How many rows are sorted (without the header)?
25
3
Four readings of temperature were 28, 31, 25 and 28 °C. What is the difference between the highest and lowest?
6
4
A class table must be sorted by surname and then by name. Why do we make the name the second field?
So people with the same surname are put in order by name.