Skip to content

Course home

2.2 Data presentation and interpretation

2.2 Data presentation and interpretation

EasyMediumHard
12345678910111213141516171819202122232425262728293031
Question 25

t (min)0≤t<55≤t<1010≤t<2020≤t<50frequency18324030\begin{array}{c|rrrr}t\text{ (min)}&0\leq t<5&5\leq t<10&10\leq t<20&20\leq t<50\\\hline\text{frequency}&18&32&40&30\end{array}t (min)frequency​0≤t<518​5≤t<1032​10≤t<2040​20≤t<5030​​

a.

Calculate the frequency densities and identify the modal class.

[4]
b.

A student says the widest bar must contain the most observations. Explain the error.

[2]
Markscheme

2.2 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.2 Data presentation and interpretation

105 exam-style questions on WJEC A Level Maths 2.2 Data presentation and interpretation, covering 2.2.1 Data presentation and interpretation, 2.2.2 Data presentation and interpretation, 2.2.3 Data presentation and interpretation, 2.2.4 Data presentation and interpretation, 2.2.5 Data presentation and interpretation, 2.2.6 Data presentation and interpretation, 2.2.7 Data presentation and interpretation, 2.2.8 Data presentation and interpretation, and 2.2 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank