1 of 8 0-day streak

Identify the explanatory and response variables

Question 1 of 8

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Investigation 1: A study predicts heating energy use (MJ) from outdoor temperature (°C)

Investigation 2: A study uses vehicle age (years) to predict resale value (hundreds of dollars)

Investigation 3: A study uses trip distance (km) to predict remaining battery range (km)

(a)1 mark

Which role assignment is correct for investigation 1?

heating energy use is the explanatory variable; outdoor temperature is the response variable

outdoor temperature is the explanatory variable; heating energy use is the response variable

(b)1 mark

Which role assignment is correct for investigation 2?

vehicle age is the explanatory variable; resale value is the response variable

resale value is the explanatory variable; vehicle age is the response variable

Which role assignment is correct for investigation 3?

trip distance is the explanatory variable; remaining battery range is the response variable

remaining battery range is the explanatory variable; trip distance is the response variable