PRC-2 · Chapter 10 · Question 43 of 60
In a regression analysis testing how rainfall (in mm) affects crop yield (in tons), which variable is considered the 'independent variable'?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Rainfall
Explanation
The independent variable (X) is the predictor or cause, which in this case is the rainfall. The crop yield is the dependent variable (Y) because its value mathematically depends on the amount of rain.
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