Question 1 An employee at a café has been trained to set the coffee machine so that an espresso coffee portion results i

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Question 1 An employee at a café has been trained to set the coffee machine so that an espresso coffee portion results i

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Question 1 An Employee At A Cafe Has Been Trained To Set The Coffee Machine So That An Espresso Coffee Portion Results I 1
Question 1 An Employee At A Cafe Has Been Trained To Set The Coffee Machine So That An Espresso Coffee Portion Results I 1 (58.69 KiB) Viewed 47 times
Question 1 An employee at a café has been trained to set the coffee machine so that an espresso coffee portion results in 2.0 grams of coffee being placed into a cup. Given that the variations are expected, the measurements of the amounts of coffee are recorded in dataset_Assignment.xlsx. (a) Calculate a 90% confidence interval for the mean size of espresso coffee portions. Explain the answer. (b) Comment on whether the mean portion of coffee is equal to 2.0 grams. 9 1.971 2.013 1.921 1.958 1.973 1.915 1.928 1.916 1.938 1.967
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