Santa was interested in increasing toy productivity. He randomly assigned elves into 2 separate groups. In one group elves were given some special "go juice" (i.e., maple syrup) and in the other group they had candy cane flavored water. After a week, Santa measured toy productivity across the 2 groups. What test would Santa use to see if drink type (go juice vs, candy cane water) resulted in differences in toy productivity?

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