7) You want to test which size of soccer (football) ball is easiest to juggle with your feet. You test a size 3, size 4 and a size 5 ball.
You count the seconds the ball stays in the air for each of the trials. You allow yourself to use both of your feet, knees, and head to
juggle the ball.
a. Test Variable (Independent Variable)
b. Outcome Variable (Dependent Variable)
c. Why is it important to repeat this experiment more than once?
2012
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