IV, DV, Constants, and Controls
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Jake wanted to know if exercising before taking a test would help improve his test scores. What is the dependent variable?
Test Scores
Amy wanted to know which brand of popcorn will leave the least amount of kernels. What is the independent variable?
Different Brands of Popcorn
If I test different types of baseball bats, then I predict the aluminum bat will hit the baseball the farthest. What is the dependent variable?
How far the baseball travels
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