Science calculations

Interpreting information from graphs

The UK Government records annual statistics about the numbers of sexually transmitted diseases. The instances of syphilis and gonorrhoea from 2006 to 2015 are shown in line graphs below. Both are bacterial diseases, transmitted by sex with an infected person.

The UK Government records annual statistics about the numbers of sexually transmitted diseases.The number of diagnoses of syphilis from 2006 to 2015The UK Government records annual statistics about the numbers of sexually transmitted diseases.The number of diagnoses of gonorrhoea from 2006 to 2015
Question

What conclusions about syphilis can you draw from this data? Use numbers in your answer. [4 marks]

In all years the number of men infected is greater than women (1 mark). The number of women infected remains constant, well below 1000 per year (1 mark). Between 2006 and 2012 the number of men infected remained constant around 3000 (1 mark). Between 2012 and 2015 the number of men infected increased from around 3000 to over 5000 (1 mark).

Question

What conclusions about gonorrhoea can you draw from this data? Use numbers in your answer. [4 marks]

In all years the number of men infected is greater than women (1 mark). The number of women infected remains constant, between 5000 and 10000 per year (1 mark). Between 2006 and 2010 the number of men infected remained constant around 10000 and 15000 (1 mark). Between 2010 and 2015 the number of men infected increased to over 30 000 (1 mark).

Interpreting information from diagrams

The rates of gonorrhoea diagnosis in England in 2015 are shown in the diagram below.

The rates of gonorrhoea diagnosis in England in 2015 are shown in the diagram below.
Question

What conclusions about gonorrhoea can you draw from this data? Use numbers in your answer. [4 marks]

Gonorrhoea infections are not found equally throughout England (1 mark). Fewer infections are found in East Anglia, the South West and in parts of Northern England (1 mark). Higher rates of infection are found in major cities (1 mark). These include London and Birmingham (1 mark).

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