Causal relationships (Edexcel GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
A scatter shows more study hours linked to higher exam marks. Best conclusion?
A scatter shows more study hours linked to higher exam marks. Best conclusion?
More study hours cause higher marks
Ice cream sales and sunglasses sales rise together. Likely explanation?
Ice cream sales and sunglasses sales rise together. Likely explanation?
Both caused by higher temperature
Umbrella sales and road accidents rise together in rainy months. Best exam answer?
Umbrella sales and road accidents rise together in rainy months. Best exam answer?
Rain causes both umbrellas and accidents
Which is a common exam trap when seeing a correlation?
Which is a common exam trap when seeing a correlation?
Assuming correlation implies causation
Car age and resale value show a negative correlation. Most likely conclusion?
Car age and resale value show a negative correlation. Most likely conclusion?
Cars decrease value as they age
When given two correlated variables you should first ask:
When given two correlated variables you should first ask:
Does one variable directly cause the other?
Which phrase is essential to use in causation exam answers?
Which phrase is essential to use in causation exam answers?
Correlation does not imply causation
Firefighter numbers and damage costs are positively correlated. Best interpretation?
Firefighter numbers and damage costs are positively correlated. Best interpretation?
Larger fires cause both damage and more crews
To prove a causal link between two variables you should use:
To prove a causal link between two variables you should use:
A randomized controlled experiment
Two variables increase together due to a hidden factor. This is called:
Two variables increase together due to a hidden factor. This is called:
Spurious correlation (no direct causation)