Causal Relationships and Correlation (Leaving Cert Mathematics): Flashcards
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Practise the cards
12 cards from this deck
Causal relationship def
Causal relationship def
One variable directly causes a change in another variable
Correlation def
Correlation def
How two variables move together
Positive correlation
Positive correlation
As one variable increases, the other also increases
Negative correlation
Negative correlation
As one variable increases, the other decreases
Strong correlation
Strong correlation
Points lie close to a straight line pattern
Correlation & causation principle
Correlation & causation principle
Correlation does not necessarily mean causation
Temp & iced drinks: causal?
Temp & iced drinks: causal?
Yes - causal relationship
Why temp/iced drinks causal?
Why temp/iced drinks causal?
Temperature directly causes increased demand for iced drinks
Laptop & fridge sales: causal?
Laptop & fridge sales: causal?
No - correlation without causation
Why laptop/fridge not causal?
Why laptop/fridge not causal?
Buying laptop doesn't cause someone to buy fridge
Car age & distance: causal?
Car age & distance: causal?
Yes - time allows distance to accumulate
First Q to identify causal?
First Q to identify causal?
Does it make logical sense?