Skip to content

Course home

2.5.3 Data presentation and interpretation

2.5.3 Data presentation and interpretation

EasyMediumHard
1234
Question 3

The number of calls received in an hour is summarised below. The mean is 2 calls.

Number of calls, xxx01234
Frequency, fff23432
a.

Calculate the variance.

[2]
b.

Interpret the standard deviation in context.

[1]
Markscheme

2.5.3 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.5.3 Data presentation and interpretation

8 exam-style questions on CCEA A Level Maths 2.5.3 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank