Study resource
Quantitative skills in business common mistakes
Study Quantitative skills in business with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
At a glance
common mistakes
Resource type
Topic
Quantitative skills in business
AqaGcseBusinessAssessment and quantitative skills
Common mistakes
Confusing market share with market size
Thinking that a firm’s market share equals the total market sales.
Fix itMarket share is a percentage of the total market sales, not the absolute sales figure itself.
Assuming correlation equals causation
Believing that an increase in advertising spend directly causes higher sales without considering other factors.
Fix itExplain that correlation does not prove causation; other variables may influence sales, and further analysis is needed.
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