If you want to know if Vitamin D would help sick people get better faster, the independent variable would be the number of people on the group.
<h3>What is an independent variable?</h3>
It should be noted that an independent variable means the variable that stands alone and isn't changed by the other variables.
In this case, if you want to know if Vitamin D would help sick people get better faster, the independent variable would be the number of people on the group.
Learn more about independent variable on:
brainly.com/question/82796
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