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Identify the explanatory and response variables

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
First variable is explanatorySecond variable is explanatoryNOWMix of allRecommended
Question 1 of 8

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Investigation 1: A study examines whether variation in waste collected (kg) can be explained by event attendance (hundreds of people)

Investigation 2: A study examines whether variation in hourly output (units) can be explained by machine age (months)

(a)1 mark

Identify the explanatory and response variables for investigation 1

(b)1 mark

Identify the explanatory and response variables for investigation 2