A coffee shop relocated to Italy and wants to make sure that all lattes are consistent. They believed that each latte has an average of 4 oz of espresso. If this is not the case they must increase or decrease the amount. A random sample of 25 lattes shows a mean of 4.6 oz of espresso and a standard deviation 0.22 oz. Are their lattes consistent?

1. State the hypothesis.
2. Compute the statistics
3. Make a hypothesis decision.
4. Answer the research questions.