Essay
Coffee Vending Machines Narrative
An automatic coffee vending machine dispenses a different amount of coffee in millilitres (mL) for each cup. Assume the following nine measurements were taken from a population with a normal distribution: 185, 170, 196, 176, 173, 187, 193, 170 and 173 mL.
-Refer to Coffee Vending Machines Narrative. Construct an 80% confidence interval for the mean amount of coffee that is dispensed for all cups of coffee from this machine.
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