Consider the following to answer the question(s) below:
The Dispenser Right Company makes a soft drink dispensing machine used in many fast food restaurants. When the machine is running properly, the average number of fluid ounces in the cup should be 14. Periodically the machines need to be tested to make sure that they have not gone out of adjustment. To do this, six cups are filled by a particular machine and a technician carefully measures the volume in each cup. In one such test, the following data were observed:

-The correct null and alternative hypotheses are

Question

Consider the following to answer the question(s) below:
The Dispenser Right Company makes a soft drink dispensing machine used in many fast food restaurants. When the machine is running properly, the average number of fluid ounces in the cup should be 14. Periodically the machines need to be tested to make sure that they have not gone out of adjustment. To do this, six cups are filled by a particular machine and a technician carefully measures the volume in each cup. In one such test, the following data were observed:

-The correct null and alternative hypotheses are

Quizplus · Accepted Answer

The null hypothesis should always be the claim or status quo, which in this case is that the average number of fluid ounces in the cup is 14. Therefore, H0: µ = 14. The alternative hypothesis should reflect the possibility of the null hypothesis being false, which in this case is that the average number of fluid ounces in the cup is not equal to 14. Therefore, HA: µ ≠ 14. Choice A correctly represents these hypotheses.

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