The graph shows the relative risk of developing type 2 diabetes within nine different Body Mass Index (BMI) ranges - Edexcel - GCSE Biology - Question 6 - 2017 - Paper 1
Question 6
The graph shows the relative risk of developing type 2 diabetes within nine different Body Mass Index (BMI) ranges.
(i) Calculate the difference in the relative ris... show full transcript
Worked Solution & Example Answer:The graph shows the relative risk of developing type 2 diabetes within nine different Body Mass Index (BMI) ranges - Edexcel - GCSE Biology - Question 6 - 2017 - Paper 1
Step 1
Calculate the relative risk for BMI of 29.0-30.9
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Answer
From the graph, the relative risk of developing type 2 diabetes for a BMI of 29.0–30.9 is approximately 35.2.
Step 2
Calculate the relative risk for BMI of >34.9
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Answer
From the graph, the relative risk of developing type 2 diabetes for a BMI of >34.9 is approximately 42.
Step 3
Calculate the difference
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Answer
The difference in the relative risk is calculated as follows:
Difference=42−35.2=6.8
Thus, the difference in relative risk is approximately 6.8.
