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Starbucks customers are complaining that a small cup of coffee at a local Starbucks coffee shop does not contain as much coffee as it should. On average, Starbucks claims that a small cup of coffee contains
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Starbucks customers are complaining that a small cup of coffee at a local Starbucks coffee shop does not contain as much coffee as it should. On average, Starbucks claims that a small cup of coffee contains 360 grams of coffee. The customers decide to order 20 cups of coffee at random times; on average their cups contained 356 grams, and a standard deviation of 9 grams.

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What is the null hypothesis?

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Sharks exhibit a great diversity in their reproductive modes. There are oviparous (egg-laying) species and viviparous (liv
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