At the Billy Goat Gruff Inn, machines are set to dispense 600 ml of soda into everycustomer's glass. Over time, however, the machine can get "out of control" and dispense toomuch soda or too little. The machine needs adjustment if the mean amount dispensed isdifferent than 600 ml. At a randomly selected time each clock hour, the owner dispenses andchecks a glass of soda and determines the actual volume of soda dispensed. One day thevolumes (in ml) of the dispensed soda were:
Is there sufficient evidence to conclude that the dispensing machine needs adjustment?

Question

At the Billy Goat Gruff Inn, machines are set to dispense 600 ml of soda into everycustomer's glass. Over time, however, the machine can get "out of control" and dispense toomuch soda or too little. The machine needs adjustment if the mean amount dispensed isdifferent than 600 ml. At a randomly selected time each clock hour, the owner dispenses andchecks a glass of soda and determines the actual volume of soda dispensed. One day thevolumes (in ml) of the dispensed soda were: 
 Is there sufficient evidence to conclude that the dispensing machine needs adjustment?

Quizplus · Accepted Answer

The Answer of At the Billy Goat Gruff Inn, machines are set to dispense 600 ml of soda into everycustomer's glass. Over time, however, the machine can get "out of control" and dispense toomuch soda or too little. The machine needs adjustment if the mean amount dispensed isdifferent than 600 ml. At a randomly selected time each clock hour, the owner dispenses andchecks a glass of soda and determines the actual volume of soda dispensed. One day thevolumes (in ml) of the dispensed soda were: 
 Is there sufficient evidence to conclude that the dispensing machine needs adjustment?

At the Billy Goat Gruff Inn, Machines Are Set to Dispense