Rachel was interested in determining whether customers at the coffee shop tipped more when the shop was crowded or when there were only a few customers. What research method can she use to answer this question?

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The Answer of Rachel was interested in determining whether customers at the coffee shop tipped more when the shop was crowded or when there were only a few customers. What research method can she use to answer this question?

Rachel Was Interested in Determining Whether Customers at the Coffee