Skip to content

Course home

2.2 Data presentation and interpretation

2.2 Data presentation and interpretation

EasyMediumHard
1234567891011121314151617181920212223242526272829
Question 21

Tony models his daily winter energy bill e e\,e pounds against average daily temperature ttt °C using

e=7.3−0.4te=7.3-0.4te=7.3−0.4t.

a.

Describe the correlation.

[1]
b.

Interpret the gradient.

[1]
c.

Explain why the model may be unsuitable in summer.

[1]
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