A variable is measured to the nearest whole number. One class is recorded as 10–14 with frequency 25.
a.
State the continuous class boundaries.
[1]
b.
Calculate the frequency density.
[2]
Markscheme
2.5.1 Data presentation and interpretation Questions
8 exam-style questions on CCEA A Level Maths 2.5.1 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.