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In 2012 there was an outbreak of whooping cough in the UK - Edexcel - GCSE Biology - Question 2 - 2015 - Paper 1
Question 2
In 2012 there was an outbreak of whooping cough in the UK. The graph shows the number of new cases of whooping cough in the UK from April to December 2012. (a) (i)... show full transcript
Worked Solution & Example Answer:In 2012 there was an outbreak of whooping cough in the UK - Edexcel - GCSE Biology - Question 2 - 2015 - Paper 1
Step 1
Describe the trend shown in the graph from April to December.
Answer
The graph displays an increase in the number of new cases of whooping cough from April through to October, peaking in September. Following this peak, there is a noticeable decline in cases observed from October to December.
Step 2
Calculate the difference in the number of cases of whooping cough in September 2011 and September 2012.
Answer
In September 2012, there were 1320 new cases of whooping cough. To calculate the difference between September 2011 and September 2012:
Difference = Cases in September 2012 - Cases in September 2011
= 1320 - 168 = 1152