A supplied health data set records Marital status in six categories and BMI as a numerical continuous variable.
Name a suitable diagram for displaying the frequencies of the six marital-status categories.
A student proposes using a pie chart to display the distribution of BMI. Explain why a histogram would be more suitable.
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.