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A high school track coach is interested in finding out if carbohydrate consumption helps increase running times in her athletes. She asks half of her team to eat a huge pasta dinner the night before a big meet and asks the other half of her team to eat a large steak and no carbohydrates.

Write a hypothesis in an if-then statement.
Identify the independent variable (IV).
Identify the dependent variable (DV).
Identify the experimental group.
Identify the control group.
What is the purpose of using random assignment?

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